A source and an observer approach each other with same velocity 50 m/s – McqOptions

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1.	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 [CPMT 2003]
A.	320 s?1
B.	360 sec?1
C.	390 sec?1
D.	420 sec?1
Answer» B. 360 sec?1

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