Ask questions which are clear, concise and easy to understand.
Ask QuestionPosted by Himani Narang 5 years, 10 months ago
- 5 answers
Sangeeta Borah 5 years, 10 months ago
Posted by Mahendrabhai Malaviya 5 years, 10 months ago
- 3 answers
Posted by Mahendrabhai Malaviya 5 years, 10 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
Winged seeds such as those of drumstick and maple light seeds of grasses or hairy seeds
of aak (Madar) and hairy fruit of sunflower get blown off with the wind to faraway places.
Posted by Nikhil K V 5 years, 10 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
It is a common observation in athletes that they breathe faster and deeper than usual even after finishing a race. This is because during the race the leg muscles of athlete have produced extra energy by doing anaerobic respiration. By doing so the athlete is giving back oxygen to the muscles which it could not give at the time of running.
Posted by Suaihiamlu Kamei 5 years, 10 months ago
- 3 answers
Salim Deshmukh 5 years, 10 months ago
Meghna Thapar 5 years, 10 months ago
- Heat is a form of energy which makes a substance hotter.
- The temperature of a substance increases when heat is provided to the substance.
Manoranjan Mohapatra 5 years, 10 months ago
Posted by Mrunmayee Inamdar 5 years, 10 months ago
- 4 answers
Rahima Banu 5 years, 10 months ago
Posted by Rahima Banu 5 years, 10 months ago
- 1 answers
Sakshi Suhag 5 years, 10 months ago
Posted by Krishan Rajesh 5 years, 10 months ago
- 2 answers
Gaurav Seth 5 years, 10 months ago
The rhythmic beating of the various chambers of the heart maintains the circulation of blood and transport of substances to the different parts of the body, providing oxygen & nutrients to the cells or tissues and removing carbon dioxide and other wastes
Krishan Rajesh 5 years, 10 months ago
Posted by Riddhi Patil 5 years, 10 months ago
- 5 answers
Posted by Yash Garg 5 years, 10 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
Breathing involves the movement of the diaphragm and the rib cage. Breathing involves two steps:
During inhalation, ribs move up and outwards and diaphragm moves down. This movement increases space in our chest cavity and air rushes into the lungs. The lungs get filled with air. The muscles between the ribs contract causing the rib cage to move upward and outward.
During exhalation, ribs move down and inwards, while diaphragm moves up to its former position. This reduces the size of the chest cavity and air is pushed out of the lungs. As the chest cavity becomes smaller air is pushed out from the lungs. Take a deep breath. Keep your palm on the abdomen, feel the movement of abdomen.
Posted by Adarsh Dwivedi 5 years, 10 months ago
- 2 answers
Salim Deshmukh 5 years, 10 months ago
Poonam Tiwari 5 years, 10 months ago
Posted by Om Ghagi 5 years, 10 months ago
- 6 answers
Shivansh Walia 5 years, 10 months ago
Riddhi Patil 5 years, 10 months ago
Sakshi Suhag 5 years, 10 months ago
Posted by Reshmi Priya 5 years, 10 months ago
- 1 answers
Sakshi Suhag 5 years, 10 months ago
Posted by Divy Pandey 5 years, 10 months ago
- 2 answers
Posted by Himani Bhanushali 5 years, 10 months ago
- 3 answers
Posted by Aarvi Sonawane 5 years, 10 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
Those changes in which new substances are formed are called chemical changes. The properties of new substances formed in a chemical changes are entirely different from those of the original substances. Chemical changes are also called as chemical reactions. The chemical changes are permanent changes which can usually not be reversed to form the original substance. Large amount of energy is absorbed or lost during the process.
Posted by Om Mishra 5 years, 10 months ago
- 1 answers
Sakshi Suhag 5 years, 10 months ago
Posted by Kalakappa Vkambli 5 years, 10 months ago
- 3 answers
Posted by Gurleen Kaur 5 years, 10 months ago
- 3 answers
Yogita Ingle 5 years, 10 months ago
Concave lens are also called divergent lens as they expand the light (bend outward) falling on it.
Concave lens do not form real images. They only form virtual images which are always erect and smaller in size
Kalakappa Vkambli 5 years, 10 months ago
Posted by Nanthini Annamalai 5 years, 10 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
- Rectilinear propagation describes the tendency of Electromagnetic waves (light) to travel in a straight line.
- The process of sending back the rays of light which falls on the surface of an object is called reflection of light.
- The interchanging of left and right sides of an object with its image is called lateral inversion.
-
The splitting of light into seven constituent colours is called dispersion of light.
Posted by Lata Dangi 5 years, 10 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
| Real Image | Virtual Image |
|
i. The image is due to reflection or refraction, when the light arises from an object and converges to a certain point. ii. The real image can be captured on screen as it is the result of actual intersection of ray of light. iii.The images are inverted iv. Converging lens are used to produce the image. v. Concave mirror is used to produce the image. |
i. The image produced when the light arising from an object appears to strike a certain point. ii. It cannot be captured on a screen as it is the imaginary intersection of ray of light. iii. The images are erect. iv. Diverging lens are used to produce the image. v. A plane mirror or convex mirror is used to produce the image |
Posted by Vansh Arora 5 years, 10 months ago
- 1 answers
Meghna Thapar 5 years, 10 months ago
The steps involved to obtain silk are:
i. Raising silkworms & harvesting cocoons.
ii. Thread extraction.
iii. Dyeing.
iv. Spinning.
v. Weaving.
Posted by Subhransu Panda 5 years, 10 months ago
- 3 answers
Ayush Pawar 5 years, 10 months ago
Riddhi Patil 5 years, 10 months ago
Posted by Sharita Davi 5 years, 10 months ago
- 3 answers
Suaihiamlu Kamei 5 years, 10 months ago
Himani Bhanushali 5 years, 10 months ago
Posted by Bhavya Prajapati 5 years, 10 months ago
- 2 answers
Posted by Bheewani Sinha 5 years, 10 months ago
- 1 answers
Shabnam Jahan 5 years, 10 months ago
Posted by Krisha Thakker 5 years, 10 months ago
- 3 answers
Sukhpreet Kaur 5 years, 10 months ago
Abhay Yadav 5 years, 10 months ago
Shabnam Jahan 5 years, 10 months ago
Posted by Sunder Pawar 5 years, 10 months ago
- 4 answers
Kalakappa Vkambli 5 years, 10 months ago
Jaat Gaming 5 years, 10 months ago
Ashra Shaikh 5 years, 10 months ago
Posted by Mahendra Khokhariya 5 years, 10 months ago
- 1 answers
Jaat Gaming 5 years, 10 months ago
Posted by Priyanshi Sharma 5 years, 10 months ago
- 2 answers
Padma Pooja 5 years, 10 months ago
myCBSEguide
Trusted by 1 Crore+ Students
Test Generator
Create papers online. It's FREE.
CUET Mock Tests
75,000+ questions to practice only on myCBSEguide app
Amrit Gupta 5 years, 10 months ago
1Thank You