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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 17 - Wave Motion > A source of sound is approaching an observer with speed of 30ms and the observer is approaching the source with a speed 60 ms”. Then the fractional change in the frequency of sound in air (330ms) is

A source of sound is approaching an observer with speed of 30ms and the observer is approaching the source with a speed 60 ms”. Then the fractional change in the frequency of sound in air (330ms) is

A source of sound is approaching an observer with speed of 30ms and the observer is approaching the source with a speed 60 ms". Then the fractional change in the frequency of sound in air (330ms) is