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Note is a sound

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Important Questions on Sound

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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 2
A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case
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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 3
In SONAR, we use
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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 4
Sound travels in air if
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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 5
When we change feeble sound to loud sound we increase its
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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 6
In the curve half the wavelength is
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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 7
An earthquake produces which kind of sound before the mainshock wave begins
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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 8
Infrasound can be heard by
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9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 5 - Sound>NCERT Exemplar Problems>Q 9
Before playing the orchestra in a musical concert, a sitarist tries to adjust the tension and pluck the setting suitably. By doing so, he is adjusting