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Chapter 7 - Oscillations - 2
1.
The instantaneous displacement x of mass attached to a spring is given by:-
a) X = X
O
sinw
2
t
b) X = X
O
sinwt
c) X = X
O
cos
2
wt
d) X = X
O
coswt
2.
Motion of simple pendulum is an example of:-
a) Circular motion
b) S.H.M.
c) Rectilinear motion
d) None of these
3.
A body execute free vibrations if it oscillates with its _________________. frequency
a) Natural
b) Weight
c) Speed
d) Metal
4.
The vibrations of a factory floor caused by running of heavy machine is an example of________________ Vibrations.
a) Forced
b) Serial
c) Parallel
d) Stoped
5.
The columns of soldiers are advised to break their__________while crossing hanging bridge.
a) Steps
b) Steep
c) Large
d) Dangerous
6.
The amplitude of vibration becomes very ____________ when damping is small.
a) Large
b) Small
c) Long
d) Basic
7.
The sharpness of the resonance curve of a resonating system depends on the frictional loss of ______________
a) Energy
b) Mass
c) Iron
d) Speed
8.
The amplitude of an oscillating simple pendulum decreases gradually with ______________
a) Time
b) Momentum
c) Movement
d) Energy
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