Q.

The period of oscillation of a simple pendulum of constant length at earth surface is T. Its period inside a mine is

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a

Greater than T

b

Less than T

c

Equal to T

d

Cannot be compared

answer is A.

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Detailed Solution

Inside the mine g decreases  gd=g1-dRhence from T=2πlg ; T increase
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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