1.

A source of frequency 150 Hz is moving in the direction of a person with a velocity of 110 m/s. The frequency heard by the person will be (speed of sound in medium = 330 m/s)    [CPMT 1989; RPET 2001]

A. 225 Hz 
B. 200 Hz
C. If assertion is true but reason is false.
D. 100 Hz
Answer» B. 200 Hz


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