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8th CBSE
IMPORTANT
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Pitch of sound is determined by its

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Important Questions on Sound

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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 19
The maximum displacement of a vibrating body from its mean position is called
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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 20
Ultrasound has frequency of vibration
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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 2
Sound is produced by _____ objects.
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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 3
Time taken to complete one oscillation is called _____.
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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 4

Choose the correct answer from the options.

The loudness of normal breathing of human is _____ dB.
(10/100)

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8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 6
A tight membrane vibrates at a much _____ frequency than a loose one.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 7
Sound travels _____ in steel than water. (faster/slower)
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 8
Sound which is pleasant to our ears is called _____.