Laws Of Motion Question 213
Question: A second’s pendulum is mounted in a rocket. Its period of oscillation decreases when the rocket[CBSE PMT 1994]
Options:
A) Comes down with uniform acceleration
B) Moves round the earth in a geostationary orbit
C) Moves up with a uniform velocity
D) Moves up with uniform acceleration
Show Answer
Answer:
Correct Answer: D
Solution:
$ T=2\pi \sqrt{\frac{l}{g}} $ . T will decrease, If g increases. It is possible when rocket moves up with uniform acceleration.
