EASY
8th CBSE
IMPORTANT
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Loudness of a sound is measured in 'bel' unit.

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Important Questions on Sound

EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>Check Point>Q 3
List two differences between noise and musical sounds.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>Check Point>Q 4
Name two common causes of noise.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q A
Typically, the medium for the propagation of sound is
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q A
Loudness refers to the magnitude of the _____ of sound.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q A
Sound waves cannot travel through
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q A
In a violin, the sound is produced by the _____ of a string.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q A
The level of normal conversation is about _____ dB.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q B
What is the name given to all unpleasant and unwelcome sounds?