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A block of mass M is attached with a str...

A block of mass M is attached with a string of mass m and length l as shown in figure. The whole system is placed on a planet whose mass and radius is three times the mass and radius of earth. Find the ratio of maximum and minimum velocity of wave pulse. Assume the acceleration due to gravity on the earth to be g.

A

`V_("max")/V_("min") = sqrt(1 + m/M)`

B

`V_("max")/V_("min") = sqrt(1+ M/m)`

C

`V_("max")/V_("min") = sqrt((M-m)/m)`

D

`V_("max")/(V_("min")) = sqrt(M/(M-m))`

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The correct Answer is:
A
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