Wave Mechanics Question 587

Question: A second’s pendulum is placed in a space laboratory orbiting around the earth at a height 3 R from the earth’s surface where R is earth’s radius. The time period of the pendulum will be

Options:

A) zero

B) $ 2\sqrt{3} $

C) 4 sec

D) infinite

Show Answer

Answer:

Correct Answer: D

Solution:

[d] The second pendulum placed in a space laboratory orbiting around the earth is in a weightlessness state. Hence $ T=\infty $ so $ T=\infty $