EASY
9th West Bengal Board
IMPORTANT
Earn 100

Harmonium is a wind instrument.

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Important Questions on Sound

EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.2.
Sound wave is a longitudinal wave.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.2.
A larger drum produces a softer sound.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.2.
Pitch is a measurable quantity.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.2.
The eardrum is located at the end of the auditory canal.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.2.
Sound of low pitch is shrill.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.2.
Loudness of sound above 80 dB causes sound pollution.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.2.
Speed of sound is slower than that of light.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 7 - Sound>EXERCISE>Q 2.4.
In which medium sound travels the fastest?