Laws Of Motion Question 225

Question: A man measures time period of a pendulum (T) in stationary lift. If the lift moves upward with acceleration g4, then new time period will be [BHU 2001]

Options:

A) 2T5

B) 5T2

C) 52T

D) 25T

Show Answer

Answer:

Correct Answer: A

Solution:

T=2πlg

therefore T′T=gg′=gg+g4=45=25

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