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8th Jammu and Kashmir Board
IMPORTANT
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Loudness is determined by the of vibration.

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Important Questions on Sound

EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 4
The unit of frequency is _____.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 4
Unwanted sound is called _____.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 4
 Shrillness of a sound is determined by the _____ of vibration.
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 5
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 6
The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 7
Identify the part which vibrates to produce sound in the following instruments:
Dholak
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 7
Identify the part which vibrates to produce sound in the following instruments:
Sitar
EASY
8th Jammu and Kashmir Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS 8>Chapter 5 - Sound>Exercises>Q 7
Identify the part which vibrates to produce sound in the following instruments:
Flute