EASY
8th CBSE
IMPORTANT
Earn 100

What determines the pitch of a percussion instrument?

Important Questions on Sound

MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q A
What happens to the sound produced when you strike a glass as you increase the level of water in it?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q A
What are infrasonics?
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q A
Name two animals which can hear sounds that we cannot hear.
EASY
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q A
How do bats use echoes?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q B
What are harmonics? Which characteristic of a sound do they determine?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q B
What is the basic difference between music and noise? What are regular vibrations?
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q B
What determines the harmfulness of noise from the point of view of health? Mention two sources of noise pollution.
MEDIUM
8th CBSE
IMPORTANT
Basic Science for Class 8>Chapter 9 - Sound>Exercises>Q B
Why do we see a flash of lightning before we hear the accompanying sound of thunder? Which characteristic of sound determines how far it can travel before dying out?