The difference between the apparent frequency of a sound of soun as perceived by an observer during its approach and recession is `2%` of the natural frequency of the source. If the velocity of sound in air is `300m//s`, the velocity of the source is (It is given that velocity of source `ltlt velocity of sound )A. `6 m//sec`B. `3 m//sec`C. `1.5 m//sec`D. `12m//sec`

The difference between the apparent frequency of a sound of soun as pe

1.	The difference between the apparent frequency of a sound of soun as perceived by an observer during its approach and recession is `2%` of the natural frequency of the source. If the velocity of sound in air is `300m//s`, the velocity of the source is (It is given that velocity of source `ltlt velocity of sound )A. `6 m//sec`B. `3 m//sec`C. `1.5 m//sec`D. `12m//sec`
Answer» Correct Answer - B

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