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

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

Question # 2

The restoring force is ______ and opposite tot he applied force within ______

Question # 3

The acceleration of body executing SHM is directly proportional to

Question # 4

The graph showing the variation of displacement with time is a

Question # 5

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

Question # 6

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 7

The string of a simple pendulum should be:

Question # 8

The wave form of SHM is

Question # 9

Free oscillations are always produced by:

Question # 10

The S.I unit of frequency is

Question # 11

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 12

When quarter of a circle is completed, phase of vibration is:

Question # 13

SHM is type of ______ motion

Question # 14

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

Question # 15

Which one of the following is an example of SHM:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
2 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
3 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
4 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 Which one of the following is an example of SHM
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
6 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
7 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
8 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
9 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
10 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion

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