MEDIUM
8th ICSE
IMPORTANT
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The sound that never changes in pitch, volume, speed or timbre is known as

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Important Questions on Sound

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q B
The loudness of a sound _____ with the increase in the distance between the listener and the source.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q B
The characteristic of a sound which distinguishes a shrill sound from a hoarse one is called _____.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q B
A longer string will produce a sound of a _____ (low/high) pitch.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q B
Drum produces sound due to vibration of its _____.
MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q B
Unpleasant sound that is very loud is called _____.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q B
Sound of about _____ decibels or more causes many health hazards.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q B
Constant exposure to sounds above 80 dB can cause _____.
MEDIUM
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 7 - Sound>Exercises>Q C
A sound with a higher amplitude is a soft sound whereas a sound with lower amplitude is loud.