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9th CBSE
IMPORTANT
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The wavelength is the linear distance between the _____.

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Important Questions on Sound

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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 16
In case of transverse wave the wavelength is the linear distance between:
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 17
The change in density/pressure of a medium from maximum value to minimum value and again to maximum value, due to the propagation of a longitudinal wave is called one complete:
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 18
The number of oscillations passing through a point in unit time is called:
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 19
The SI unit of frequency is:
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 20
 If the frequency of a wave is 25 Hz, the total number of compressions and rarefactions passing through a point in 1 second is:
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 21
Time period of a wave in a medium is the time taken by:
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 22
Amplitude of a longitudinal wave in a medium :
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9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 5 - Sound>EXERCISE>Q 23
 Non-mechanical (electromagnetic) wave can propagate in: