ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

The graph showing the variation of displacement with time is a:

Question # 2

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 3

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Question # 4

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 5

The body oscillates due to ______ accelerates and overshoots the rest position due to _____:

Question # 6

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 7

A body with frequency of would complete one vibration in:

Question # 8

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

Question # 9

The SI unit of spring constant is identical with that of

Question # 10

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 11

The graph showing the variation of displacement with time is a

Question # 12

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 13

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 14

The SI unit of spring constant is identical with that of:

Question # 15

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
2 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
3 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
4 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
5 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
6 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
7 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
8 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
9 If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
10 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest

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