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A boat at anchor is rocked by waves whos...

A boat at anchor is rocked by waves whose crests are `100 m` apart and whose speed is `25 m//s`. These waves reach the boat once every :

A

2500 s

B

75 s

C

4 s

D

0.25 s

Text Solution

Verified by Experts

The correct Answer is:
C
`lamda=100 m,v=25m//s,T=(1)/(f)=(lamda)/(v)=(100)/(25)=4s`
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