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Physics Class 11 - Chapter 7
OscillationsTest - 2
1.
At extreme position P.E is?
a) Maximum
b) 0
c) Minimum
d) Variable
2.
Oscillation without any interference of an external force is called?
a) Free vibration
b) Oscillatory vibration
c) None of these
d) Forced vibration
3.
A physical system under going forced vibration is known as
a) Vibratory motion
b) S.H.M
c) Driven harmonic motion
d) Harmonic motion
4.
Damped oscillation is one in which amplitude?
a) Decreases fatly
b) Increase
c) Decreases steadily
d) May be decreases or increases
5.
A microwave oven generates?
a) High frequency waves
b) Low amplitude waves
c) Low frequency waves
d) High amplitude waves
6.
In damping process energy is dissipated form the?
a) All of these
b) Vibratory system
c) Oscillating system
d) S.H.M system
7.
In vibratory motion?
a) Total momentum remains constant
b) Total energy remains constant
c) P.E remains constant
d) K.E remains constant
8.
The waveform of S.H.M is?
a) Square wave
b) Standing wave
c) Sine wave
d) All of these
9.
S.I unit of frequency is?
a) Vibration
b) Hertz
c) Radian
d) Kgs
-1
10.
In S.H.M the velocity of particle is maximum at?
a) Not specified position
b) In between extreme and mean position
c) Mean position
d) Extreme position
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