Physics, asked by sherlu1650, 8 months ago

A person carrying a whistle emitting continuously a note
of 272 Hz is running towards a reflecting surface with a
speed of 18 km h⁻¹. The speed of sound in air is 345 m s⁻¹.
The number of beats heard by him is
(a) 4 (b) 6
(c) 8 (d) zero

Answers

Answered by ReRepeater

0

Answer:

option a

Explanation:

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.

........

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Answered by 1stBrainly

0

Answer:

Muche nehi atha

Explanation:

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