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Physics Class 11 - Chapter 7
OscillationsTest - 5
1.
Natural frequency of simple pendulum depends upon?
a) Square of its mass
b) Its length
c) Its mass
d) Square root of its length
2.
In damped harmonic oscillation, which one decrease?
a) Amplitude and energy
b) Energy of the vibration
c) Amplitude of vibration
d) None of these
3.
When K.E energy of S.H.M is maximum, its?
a) All P.E acceleration and restoring forces are zero
b) Acceleration is zero
c) Total energy is zero
d) P.E is zero
4.
Mass attached to a spring executes
a) Rotatory motion
b) Vibration motion
c) S.H.M motion
d) Vibratory and S.H.M
5.
Electrical resonance is observed in?
a) Radian
b) Both of these
c) Microwave
d) None of these
6.
Forced vibration is known as?
a) Free vibration
b) Natural vibration
c) None of these
d) Simple harmonic vibration
7.
The velocity of the mass attached to a spring is maximum at?
a) Extreme position
b) None of these
c) Mean position
d) Both of these
8.
At Murree hills, if we use simple pendulum as time standard then one second duration will be?
a) Remains same
b) Decrease
c) Infinite
d) Increase
9.
Total distance traveled by bob of simple pendulum in one vibration is equal to?
a) 1, 2 x amplitude
b) 3, 4 x amplitude
c) Just amplitude
d) 5, 6 x amplitude
10.
Phase of S.H.M explains?
a) Displacement
b) None of these
c) Direction of motion
d) Both of these
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