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+1 vote
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in Physics by (121k points)
A source and an observer approach each other with same velocity 50 m/s . If the apparent frequency is `435 sec^( –1)`, then the real frequency is
A. 320 s
B. 360 sec
C. 390 sec
D. 420 sec

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1 Answer

+1 vote
by (121k points)
Correct Answer - A

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