Question

A second pendulum is kept in a satellite it is revolving around the earth at the height of $3\,R$ from the earth surface. Time period of second pendulum will be:

• A. zero
• B. $3\sqrt{3\sec }$
• C. 4 sec
• D. infinite

Answer 1

Answer: (D)

infinite

Answer 2

In satellite acceleration due to gravity $g=0$ $\therefore T=2 \pi \frac{\sqrt{l}}{g}$ is infinite