A second's pendulum is mounted in a rocket. Its period of oscillation decreases when rocket

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13.Oscillations

easy

A second's pendulum is mounted in a rocket. Its period of oscillation decreases when the rocket

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

(AIPMT-1994)

Solution

(d) $T = 2\pi \sqrt {\frac{l}{g}} $. $T$ will decrease, If $g$ increases.

It is possible when rocket moves up with uniform acceleration.

Standard 11

Physics

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