Apendulum made of uniform wire of cross sectional area 'A' has time period T. When an addition mass'M' is added to its bob, the time period changes to TM. If the Young's modules of the material of the wire is Y then 1/Y is equal to : (g = gravitational acceleration)

Question

Examsnet · Accepted Answer

Correct Answer is : [(TMT)2−1] AMg

JEE Mains Model Paper 7