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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 16 - Waves and Acoustics > A boy is walking away from a well at a speed of 1.0m/s in a direction at right angles to the wall. As he walks, he below a whistle steadily. An observer towards whom the boy is walking hears 4.0 beats per second. If the speed of sound is 340m/s , what is the frequency of the whistle is

A boy is walking away from a well at a speed of 1.0m/s in a direction at right angles to the wall. As he walks, he below a whistle steadily. An observer towards whom the boy is walking hears 4.0 beats per second. If the speed of sound is 340m/s , what is the frequency of the whistle is

A boy is walking away from a well at a speed of 1.0m/s in a direction at right angles to the wall. As he walks he below a whistle steadily. An observer towards whom the boy is walking hears 4.0 beats per second. If the speed of sound is 340m/s what is the frequency of the whistle is