Physics, asked by hnandeeswaribai, 8 months ago

3)
41. A highwary truck has two horns A and B. When
sounded together, the driver records 50 beats
in 10 seconds with horn B blowing and the truck
moving towards a wall at a speed of 10 m/s,
the driver noticed a beat frequency of 5 Hz with
the echo. When frequency of A is decreased
the beat frequency with two horns sounded
together increases. Calculate the frequency of
horn A (Speed of sound = 330 m/s)
(TS-EAMCET-2019)
1) 75 Hz 2) 85 Hz 3) 90 Hz 4) 95 Hz

Answers

Answered by rohithkumarr1792004

1

Explanation:

I think option A is the answer

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