Physics MCQs

Page No. 20

The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?


a10 cm


b 5 cm


c15 cm


d 7.5 cm


View Answer 5 cm

For a simple pendulu,m the restoring force is caused by________________?


aGravity


bSpring


c Hand


dAll of these


View Answer Gravity

Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?


aMean position


b Elsewhere


cExtreme position


dNone


View Answer Extreme position

The projection of the particle moving in a circle with non-uniform speed executes ?


aS.H.M


bVibratory motion


cBoth B and D


dNone S.H.M


View Answer Both B and D

The velocity of the mass attached to a spring is maximum at_______________?


aMean position


bExtreme position


cBoth A and B


d None


View Answer Mean position

At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?


aIncrease


b Decrease


cRemains the same


dIs zero


View Answer Increase

The mass attached to a spring executes ?


aVibratory motion


bRotatory motion


cS.H.M


dBoth A and C


View Answer Both A and C

Forced vibration is known as_____________________?


aSimple harmonic vibration


b Natural vibration


cDriven harmonic vibration


dFree vibration



In damped harmonic oscillation which one decreases ?


aAmplitude of vibration


bEnergy of vibration


cBoth amplitude and energy


d Neither amplitude nor energy



When K.E energy of SHM is maximum its__________________?


aP.E is zero


bAcceleration is zero


cRestoring force is zero


dAll P.E acceleration and restoring force are zero



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