Home Physics Wave and Sound NCERT Examplar Change in temperature of the medium changes:
Physics Wave and Sound NCERT Examplar MCQ (Single Correct)

Change in temperature of the medium changes:

A
Frequency of sound waves
B
Amplitude of sound waves
C
Wavelength of sound waves
D
Loudness of sound waves

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The correct answer is:
C

Speed of sound wave in a medium (where is temperature of the medium). Clearly, when temperature changes speed also changes.

As,
where is frequency and is wavelength.
Frequency ( ) remains fixed
or
As frequency does not change, so wavelength ( ) changes.

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