EASY
8th CBSE
IMPORTANT
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Sound waves cannot travel in _____.

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Important Questions on Sound

EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 2
Sound having frequency less than 20 Hz is called _____.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 3
The amplitude of the sound wave decides its _____.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 4
What kind of musical instrument is a sitar?
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 5
The range of audible frequency for the human ear is _____.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 2
The number of vibrations per second is called _____.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 5
Time taken to complete one vibration is called _____.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 6
Pitch of sound depends on _____ of vibration.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 13 - Sound>Exercise>Q 1
Give an example to show that light travels faster than sound.