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Four massless springs whose force consta...

Four massless springs whose force constants are 2k, 2k, k and 2k respectively are attached to a mass M kept on a frictionless plane (as shown in figure). If the mass M is displaced in the horizontal direction, then the frequency of oscillation of the system is

A

`(1)/(2pi)sqrt((k)/(4M))`

B

`1/(2pi)sqrt((4k)/M)`

C

`1/(2pi)sqrt(k/(7M)`

D

`1/(2pi)sqrt((7k)/M)`

Text Solution

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The correct Answer is:
B
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