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A train moves towards a stationary obser...

A train moves towards a stationary observer with speed 34m/s. The train sounds a whistle and its frequency registered by observer is `f_(1)`. If the trains speed is reduced to 17m/s, the frequency registered is `f_(2)` . If the speed of sound is 340m/s, then the ratio `(f_(1))/(f_(2))` is

A

`(18)/(19)`

B

`(1)/(2)`

C

2

D

`(19)/(18)`

Text Solution

Verified by Experts

The correct Answer is:
D
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