EASY
8th CBSE
IMPORTANT
Earn 100

Loudness refers to the magnitude of the _____ of sound.

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Important Questions on 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?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q B
A form of energy that travels at the speed of about 332 m s-1.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q B

All songs and instrumental sounds are called:

(Choose: Pleasant sounds / Noisy sounds)

EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q B
Name the unit of noise measurement. (Choose from Hertz, Decibel, Joule)
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 12 - Sound>EXERCISES>Q C
What is sound? Why can't we imagine of a world without sound?