A man stands at rest in front of a large wall. A sound source of...

A man stands at rest in front of a large wall. A sound source of frequency 400 Hz is placed between him and the wall. The source is now moved towards the wall at a speed of

1 \mathrm{~m} / \mathrm{s}

. The number of beats heard per second will be (speed of sound in air is

345 \mathrm{~m} / \mathrm{s}

)

Options

A $0.8$
B $0.58$
C $1.16$
D $2.32$

Correct answer

C. $1.16$

Step-by-step solution

No Solution

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