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Focus Science in Everyday Life
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Chapter 13 - Sound
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Exercise
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Q 7
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MEDIUM
8th CBSE
IMPORTANT
Earn 100
What are the harmful effects of noise pollution?
Important Questions on Sound
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life
>
Chapter 13 - Sound
>
Exercise
>
Q 8
What steps should be taken to reduce the effects of noise pollution?
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life
>
Chapter 13 - Sound
>
Train your Brain
>
Q 1
Why can the sound of a guitar not be heard on the moon's surface?
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life
>
Chapter 13 - Sound
>
Train your Brain
>
Q 2
The more tight the string is, the higher the frequency of sound it produces. Why?