Exercises

Author:Jharkhand Board

Jharkhand Board Science Solutions for Exercises

Simple step-by-step solutions to Exercises questions of Sound from SCIENCE : CLASS VIII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercises with Hints & Solutions

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IMPORTANT

Noise pollution may cause partial hearing impairment.

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Time taken by an object to complete one oscillation is called _____ . (Duration, Time period)

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Loudness is determined by the _____ of vibration.

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The unit of frequency is _____.

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Unwanted sound is called _____.

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Which part of the music instrument dholak vibrates to produce sound?
(Choose one of the following: Air column/ Strings/ Stretched membrane).

EASY
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IMPORTANT

Identify the part which vibrates to produce sound in the following instruments:
Sitar (Air column/Stretched strings)

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IMPORTANT

Identify the part which vibrates to produce sound in the Flute.
(Air column/Stretched strings)