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A pendulumd made of a uniform wire of cr...

A pendulumd made of a uniform wire of cross sectional area (A) has time T.When an additionl mass (M) is added to its bob, the time period changes to `T_(M). If the Young's modulus of the material of the wire is (Y) then `1/Y` is equal to:

A

`[1-((T_(M))/T)^(2)](A)/(Mg)`

B

`[1-((T)/(T_(M)))^(2)](A)/(Mg)`

C

`[((T_(M))/(T))^(2)-1](A)/(Mg)`

D

`[(T_(M)/(T))^(2)-1](Mg)/(A)`

Text Solution

Verified by Experts

The correct Answer is:
C
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