We Hear Sound through Our Ears

Author:Arjun Sharma, Seema Mehra & Shikha Sharma
8th CBSE
IMPORTANT

Important Questions on We Hear Sound through Our Ears

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All in One - SCIENCE CBSE Class 8>Sound>We Hear Sound through Our Ears> Q 1

Write the unit of loudness of sound.

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All in One - SCIENCE CBSE Class 8>Sound>We Hear Sound through Our Ears> Q 2

Sound can travel in vacuum.

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All in One - SCIENCE CBSE Class 8>Sound>We Hear Sound through Our Ears> Q 3

The loudness of sound depends on

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All in One - SCIENCE CBSE Class 8>Sound>We Hear Sound through Our Ears> Q 4

State the relation between time period and frequency.