CBSE > Class 08 > Science | CBSE Board | Homework Help

•Silencing device should be installed in Air craft engines, transport vehicles, Industrial machines and home appliances •use of automobiles should be minimised

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Hency Modi 1 year, 11 months ago

T. v and music system should be run at low volume

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ANSWER

What Is Time Period?

Posted by Pari Sharma 1 year, 11 months ago

CBSE > Class 08 > Science

3 answers

Swini Jain 1 year, 11 months ago

Time taken by moving body to complete one oscillation is called time taken

0Thank You

Hency Modi 1 year, 11 months ago

Time period =time taken/no.of oscillation

1Thank You

Swini Jain 1 year, 11 months ago

Time taken to complete one oscillation is called time period

1Thank You

ANSWER

Define Frequency, Amplitude And Time Period.

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

1 answers

Rithika . 2 years ago

1Thank You

ANSWER

Define parts of Ear?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

Difference between Noise and music?

Posted by Shobhit Dwivedi 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

What are the sources of Noise Pollution?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

1 answers

Shobhit Dwivedi 2 years ago

1 Loudspeakers And Crackers 2 Televisions / Transistors Running At High Volume 3 Horns Of Busses, Cars And Trucks 4 Home Appliances Such As Mixer, Etc

1Thank You

ANSWER

Nots

Posted by Md Hasan Mazumder 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

what is science meaning

Posted by Garvit Dabhi 2 years ago

CBSE > Class 08 > Science

1 answers

✿Black Devil☯ ☯Msm☯ 2 years ago

Science means science 🔭

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ANSWER

Characteristics Of Sound?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

1 answers

Pranjal Verma 1 year, 11 months ago

The five characteristics of sound are amplitude, wavelength, period, frequency, and speed

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ANSWER

What Is Sound And It's Sources?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

What The Difference Between Puberty And Adolescence?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

Why is important puberty

Posted by Shashank Singh Rajput 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

What are s e x harmons?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

1 answers

Karishma Prajapati 2 years ago

Estrogen in female Testosterone in male

1Thank You

ANSWER

What is difference between s e x and gender?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

What is Reproduction and what are it's types?

Posted by Pari Sharma 2 years ago

CBSE > Class 08 > Science

1 answers

Shashank Singh Rajput 2 years ago

Reproduction is the biological process which produces offspring similiar to itself is called reproduction There are 2 types of reproduction (1) Sexual reproduction (2) Asexual reproduction

2Thank You

ANSWER

Name the resources, which are continually renewed by nature

Posted by Utpal Gogoi 2 years ago

CBSE > Class 08 > Science

1 answers

Shashank Singh Rajput 2 years ago

Water

0Thank You

ANSWER

Synthetic fibre are also called ____ and ______ fibres

Posted by Somiya Hojai 2 years ago

CBSE > Class 08 > Science

1 answers

Kumkum Choudhary 2 years ago

Plastics

1Thank You

ANSWER

Give two differences between zygote and foetus

Posted by Sukhbeer Singh 2 years ago

CBSE > Class 08 > Science

1 answers

Sakshi Bhadoriya 2 years ago

Zygote is a single celled and zygote is formed by the fertilization of sperm and ovum while the foetus is made up of many cells and foetus is formed by the repeated division of the zygote

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ANSWER

Can micro grannyson with the net I is not how can they will see

Posted by Mahek Hotwani 2 years ago

CBSE > Class 08 > Science

0 answers

ANSWER

When tin is plated on iron, which metal is placed at the positive plate

Posted by Navya Kumar 2 years ago

CBSE > Class 08 > Science

2 answers

Hariharasudhan Muneeswaran 1 year, 9 months ago

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Kavyansh Atoliya 2 years ago

Explain the importance of reproduction in organisms

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What are the significance of sexual reproduction?

Posted by Ketan Jagdale 2 years ago

CBSE > Class 08 > Science

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What is stamin

Posted by Account Deleted 2 years ago

CBSE > Class 08 > Science

1 answers

Account Deleted 2 years ago

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Sound is a kind of

Posted by Shreyash Panda 2 years ago

CBSE > Class 08 > Science

5 answers

Account Deleted 2 years ago

Energy

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Anna Jolie 2 years ago

Energy

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Rizwanul Haque 2 years ago

Energy

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Satyajit Panda 2 years ago

VIBRATION

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Swathi Swathi 2 years ago

Vibration

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Notes of reaching the age adolescence

Posted by Samurai Gaming 2 years ago

CBSE > Class 08 > Science

2 answers

Yatharth Gautam 2 years ago

Ah oh

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Mahi Parmar 2 years ago

Yes

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From chapter 1,3,4,5,6,7,8,9,10,11 you have studied in grade 8 so far which topic contact directly to a healthier lifestyle style for you and and world around you ? for example I have seen efect of burning coal and petroleum such as......

Posted by Yashvi Soni 2 years ago

CBSE > Class 08 > Science

1 answers

Kumkum Choudhary 2 years ago

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Write the change in puberty in bath boys and girls

Posted by Jasmine Negi 2 years ago

CBSE > Class 08 > Science

5 answers

Swini Jain 2 years ago

In girls - widening of hips - enlargement of breasts - development of secondary reproductive organs - change fat distribution more fat below the skin at hips and thighs

0Thank You

Swini Jain 2 years ago

In boys - increase in height - voice become deep and husk - facial hair such as moustache and beard develop - muscles develop and shoulders become broad(wider)

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Vanshi Chandra 2 years ago

In both girls and boys sweat and oil glands are active

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Riya Singh 2 years ago

In girls • mensuration • largening of cheast • largening of private part • largening of hair in private part

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Riya Singh 2 years ago

In boys •deepning in voice • largening of lurnux • boardning of shoulder • largening of hair in cheast

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Complete the crossword puzzle using the hints given below

Posted by Vipasha. Nanote 2 years ago

CBSE > Class 08 > Science

3 answers

Akshiti Ajay 2 years ago

Agriculture is a Latin word which is ‘ager' or ‘agri' meaning soil and culture meaning cultivation. The science of cultivating crops and rearing animals is also called Farming.

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Pari Sharma 2 years ago

What?

1Thank You

Tashi Lhadol 2 years ago

What is agriculture

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ANSWER

Sound can travel though a) gases only b) solids only c) liquids only d) solids, liquids and gases. ___Jo bhi Sahi Answer karega iss questions ka mein use 20 rupees ka redeem code du ga !!____

Posted by Ayush Yadav 2 years, 1 month ago

CBSE > Class 08 > Science

5 answers

Varnee Savani 2 years ago

Don't post personal information, mobile numbers and other details.
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Mohd Natik 2 years ago

Don't post personal information, mobile numbers and other details.
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K.Mani Kanta Mani Kanta 2 years ago

Answer is d the sound travels in solids , liquid, gases

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Ajay Kumar 2 years ago

Science

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Pallavi Pal 2 years ago

Solids

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ANSWER

The pendulum oscillates 40 times in 4 second find its time period and frequency

Posted by Ziya Patel 2 years, 1 month ago

CBSE > Class 08 > Science

3 answers

Jaidev Sadhwani 2 years ago

0.1 second

1Thank You

Ayush Yadav 2 years, 1 month ago

Therefore frequency = 40 vibrations /4 seconds= 10 Hertz. Time period is the time required to complete one oscillation. Frequency is the inverse of the time period. Therefore time period =110=0.1 seconds. ___I hope this answer help you___

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Ziya Patel 2 years, 1 month ago

See answer

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ANSWER