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Posted by Hency Modi 1 year, 1 month ago

CBSE > Class 08 > Science
  • 1 answers

Aalap T 1 year, 1 month ago

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    • Posted by Pari Sharma 1 year, 1 month ago

    CBSE > Class 08 > Science
    • 2 answers

    Karuna Knpn 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Hency Modi 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Posted by Niral Patel Niral Patel 1 year, 1 month ago

    CBSE > Class 08 > Science
    • 2 answers

    Princy Verma 1 year, 1 month ago

    Adolescence is a period when puberty starts during which a young person starts to grow and develops from a child into an adult. There is physical and psychological development seen. It is kind of a transitional period between childhood and adulthood.

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    Saransh Dedha 1 year, 1 month ago

    The period of life when body undergoes in change leading to reproductive maturity is called adolescent

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    Posted by Nanak Chand 1 year, 1 month ago

    CBSE > Class 08 > Science
    • 2 answers

    Pari Sharma 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    0Thank You

    Hency Modi 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    1Thank You

    ANSWER
    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Posted by Aarya Parab 1 year, 1 month ago

    CBSE > Class 08 > Science
    • 1 answers

    Riya Kumari 1 year, 1 month ago

    The process of depositing a thin layer of a metal on any conducting substances by the process of electrolysis is known as electroplating

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    • Posted by Chhotu Yadav 1 year, 1 month ago

    CBSE > Class 08 > Science
    • 4 answers

    Liesha Mundhada 1 year, 1 month ago

    Saturn has the most number of moons

    1Thank You

    Anshika Gothwal 1 year, 1 month ago

    Saturn with the number of moons 147.

    0Thank You

    Mitali Hude 1 year, 1 month ago

    Like fellow gas giant Jupiter, Saturn is a massive ball made mostly of hydrogen and helium. It has 146 moons. Saturn has the most number of moons

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    Harsh Preet 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Posted by Aleswar Sahoo 1 year, 1 month ago

    CBSE > Class 08 > Science
    • 5 answers

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    1Thank You

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Hariharasudhan Muneeswaran 1 year, 1 month ago

    We can reduce friction on the carrom board by adding carrom board powder which makes the surface smooth and reduces the friction because it fills the irregularities in the carrom board 💰🪙

    1Thank You

    Vraj Patel 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    2Thank You

    Pranit Mohnot 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Palesh Deshmukh 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 4 answers

    Aarya Parab 1 year, 1 month ago

    Non combustible

    0Thank You

    Anshika Pal 1 year, 1 month ago

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    Navya Princess 1 year, 2 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Pradhuman Singh Singh 1 year, 2 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Saravi R 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 0 answers
    ANSWER

    • Posted by Saravi R 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 5 answers

    Soumya Waingade 1 year, 1 month ago

    30⁰ only.. because Angle i_= r_

    1Thank You

    Nitish Kumar Bai 1 year, 1 month ago

    Reaction ray is also 30•

    0Thank You

    Anshika Pal 1 year, 1 month ago

    According to laws Angle of incidence = angle of reflection So here , Given angle of incident ray = 30 So , refection =30

    0Thank You

    Dilanshika. V 1 year, 2 months ago

    Angle of incidence = Angle of reflection, 30°=30°.

    1Thank You

    Vatsal Sharma 1 year, 2 months ago

    As we know, Angle of incidence = Angle of reflection Thus, 30° = 30° THEREFORE,ANGLE OF REFLECTION IS EQUAL TO 30°

    1Thank You

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    • Posted by Deepika Patil 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 1 answers

    Anand Kumar 1 year, 1 month ago

    Write any two characteristics of sperm

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    • Posted by Kartik Thakur 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 4 answers

    Yusuf Mahmood 1 year, 1 month ago

    Heyy Hari can u give me these key points

    0Thank You

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    I don't have the notes but I have some key points if you want that just reply yes I will provide you with some key points

    1Thank You

    Aniket Kumar 1 year, 2 months ago

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    Hardik Sikaria 1 year, 2 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Yashraj Palve 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 3 answers

    Hency Modi 1 year, 1 month ago

    Fix a white sheet of stiff paper on a drawing board or a table. Take a comb and close all its opening except one in the middle. Hold the comb perpendicular to the sheet of paper. Throw light from a torch through the opening of the comb from one side. With slight adjustment of the torch and the comb we will see a Ray of light along the paper on the other side of the comb. Keep the comb and the torch steady. Place a strip of plane project a little beyond the edge of the table. Cut the projecting portion of the sheet in the middle. Look at the reflected ray. Make sure that the reflected ray extends to the project portion of the paper. Bend that part of the projected portion on which the reflected ray falls. Bring the paper bag to the original position. (Activity 16.2)

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    Hardik Sikaria 1 year, 2 months ago

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    Basavraj Biradar 1 year, 2 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Tanishka Dixit 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 1 answers

    Saravi R 1 year, 2 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Kavya Nayak 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 4 answers

    Sangita Kumari 1 year, 2 months ago

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    Sangita Kumari 1 year, 2 months ago

    3a²+3ab+3ac-2ab+2b²-2bc from -4ac+4bc+4c² -4ac+4bc+4c² -3ac+2bc -3a²-3ab-2ab-2b² _________________________________ -7ac+6bc+4c²-3a²-5ab -2b² -3a²-2b²+4c²-5ab-7ac+6bc___ans

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    Sp Prriyavasan 1 year, 2 months ago

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    Satya Singh 1 year, 2 months ago

    3a²+3ab+3ac-2ba-2b²+2bc-4ca+4cb+4c²

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    • Posted by Hamshika .R 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 4 answers

    Hency Modi 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    Hariharasudhan Muneeswaran 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    0Thank You

    Akriti Jaiswal 1 year, 2 months ago

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    Manisha Kumari 1 year, 2 months ago

    Farmers often prefer to plant seeds that are well-suited to their local climate, soil conditions, and market demand. Some commonly preferred seeds by farmers include: 1. Hybrid seeds: These are bred through controlled pollination of different varieties to produce offspring with desirable traits such as disease resistance, high yield, and uniformity. 2. Genetically modified (GM) seeds: These seeds are engineered to express specific traits, such as resistance to pests, herbicides, or tolerance to environmental stressors. 3. Open-pollinated seeds: These seeds are produced through natural pollination and are genetically stable, meaning that the offspring will resemble the parent plant. They are often preferred by organic and traditional farmers for their ability to save seeds for future planting. 4. Heirloom seeds: These are open-pollinated varieties that have been passed down through generations for their unique flavors, colors, and adaptability to specific regions. The choice of seed depends on various factors including the farmer's objectives, available resources, and agricultural practices.

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    • Posted by Samruddhi Sonawale 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 0 answers
    ANSWER
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    Posted by Dhanush Dhanraj 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 2 answers

    Satya Singh 1 year, 2 months ago

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    0Thank You

    Pinku Mahanta 1 year, 2 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Nikhil Dhankhar 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 4 answers

    Gunjan Yadav 1 year, 1 month ago

    Number of oscillation / time

    0Thank You

    Soumya Waingade 1 year, 1 month ago

    Frequency = 1/Time period

    0Thank You

    Hency Modi 1 year, 2 months ago

    Number of oscillation/time taken

    0Thank You

    Nisarga S S 1 year, 2 months ago

    f = 1/T

    1Thank You

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    • Posted by Nisha Kumari 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 2 answers

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    The calorific value of wood = 18000 The calorific value of any material is actually the amount of calories or energy generated when per Kg of that material is burnt. The calorific value of wood is given = 18000 KJ/kg which means 1kg of wood when burnt will give out 180000kj of energy. Now needed energy is 108000kj. Hence, the amount of wood that needs to be burnt will be = 108000/18000= 6 kg

    0Thank You

    Dhanush Dhanraj 1 year, 2 months ago

    2kg

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    • Posted by Chitaranjan Dora 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 4 answers

    Soumya Waingade 1 year, 1 month ago

    Pituitary gland is the master gland.It controls all other glands.In humans it is situated in brain (hypothalamus region).

    1Thank You

    Hamshika .R 1 year, 2 months ago

    Hormones that are released by endocrine glands are controled by another hormone which is released by endocrine gland called pituitary gland

    1Thank You

    Jahnavi K 1 year, 2 months ago

    Pituitary Gland is the master Gland present below the hypothalamus which produces the growth hormone

    1Thank You

    Diya Pareek 1 year, 2 months ago

    Pituitary gland is the master gland

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    • Posted by Account Deleted 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 3 answers

    Yusuf Mahmood 1 year, 1 month ago

    The carbon monoxide (CO) is formed by partially combustion

    0Thank You

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    Mostly carbon monoxide is formed when a large amount of carbon or its compounds is burnt in a limited supply of air or oxygen.

    1Thank You

    Chitaranjan Dora 1 year, 2 months ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    • Posted by Devesh Raj Devesh Raj 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 3 answers

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    0Thank You

    Aman Op 1 year, 2 months ago

    If there is a fire in petrol pump because of petrol,we can't extinguish the fire with the help of water because water is heavier then petrol that's why fire would be spread more that's why we should use sand instead of water.

    0Thank You

    Hamshika .R 1 year, 2 months ago

    To off fire in case of fire accident

    0Thank You

    ANSWER

    • Posted by Bondada Manasa 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 2 answers

    Yusuf Mahmood 1 year, 1 month ago

    Human body is a conductor body of electricity. So when we touch a charged body it's loses its charge to our body and our body tranfer it to the earth.

    0Thank You

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    If we touch a charged object the charged body loses because its charge is transferred to our body because our body is also a conductor.

    0Thank You

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    • Posted by Mahi😊 Samaiya😊 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 0 answers
    ANSWER

    • Posted by Gourav Thapa 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 2 answers

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    During thunderstorm hot air goes up and rain falls down.This leads to separation of charges.Positive charges get accumulated in too and negative charges get accumulated bottom.Ground is accumulated with positive charges.Due to heavy wind and rain fall charges get multiplied .As air is poor conductor it couldn't resist charges.This is calles lightning and the whole phenomena is called electric discharge.Building can be protected from damaged from lightning by lightning arrester

    1Thank You

    Hamshika .R 1 year, 2 months ago

    During thunderstorm hot air goes up and rain falls down.This leads to separation of charges.Positive charges get accumulated in too and negative charges get accumulated bottom.Ground is accumulated with positive charges.Due to heavy wind and rain fall charges get multiplied .As air is poor conductor it couldn't resist charges.This is calles lightning and the whole phenomena is called electric discharge.Building can be protected from damaged from lightning by lightning arrester

    0Thank You

    ANSWER

    • Posted by Birendra Ram 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 0 answers
    ANSWER

    • Posted by Hamshika .R 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 5 answers

    Gunjan Yadav 1 year, 1 month ago

    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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    0Thank You

    Soumya Waingade 1 year, 1 month ago

    Rods and cones cells. Rods are sensitive to dim lights. Cones are sensitive to bright lights.

    0Thank You

    Hariharasudhan Muneeswaran 1 year, 1 month ago

    THERE ARE TWO TYPES OF CELLS ROD CELLS Rods work at a very low level of lights so they're mostly used for night vision CONE CELLS cones require a lot of light and can perceive colour. Rods and cones are photoreceptors (light-sensitive cells) that are present all over the retina of the human eye. These are the cells which are responsible for converting light to electrical signals so that they can be transmitted to the brain by the optic nerve. whereas

    0Thank You

    Gourav Thapa 1 year, 2 months ago

    Concave lense

    0Thank You

    J Aidityan 1 year, 2 months ago

    Cone cells and rod cells

    2Thank You

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    • Posted by Lakshmi Thakur 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 4 answers

    Liesha Mundhada 1 year, 1 month ago

    Do not rub your eyes, apply cold water on your eyes of any dust particles has enter in your eyes. Keep distance of 25cm between your eyes and book. Do not see at bright light directly. Too bright light or too dim light is not good for your eyes. Do not see at laser light as it harms our retina.

    0Thank You

    Gunjan Yadav 1 year, 1 month ago

    The comfortable distance to read is 25 cm

    0Thank You

    Mahi😊 Samaiya😊 1 year, 2 months ago

    Too little and too much light is bad for eyes too much light like that of the Sun a powerful lamp in the laser toys can injured the retina. Never rub your eyes. If particles of dust go into your eyes,wash your eyes with clean water. If there is no improvement go to a doctor.

    1Thank You

    Hamshika .R 1 year, 2 months ago

    We should not see bright light . we should not see sun directly.we should not rub our eyes often.

    4Thank You

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    • Posted by Aayush Sharma 1 year, 2 months ago

    CBSE > Class 08 > Science
    • 1 answers

    Yusuf Mahmood 1 year, 1 month ago

    i) He can add some drops of water in the test tube and check it's nature by litmus paper. ii) the two reactions are :- Carbon. + O2 = CO2 (From charcoal)(air) CO2 + H2O = carbonic acid Tq 😁

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