ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

Hertz is unit of:

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion

Question # 4

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

Question # 5

The wave form of SHM is

Question # 6

The unit of spring constant is

Question # 7

Amplitude is the displacement of the vibrating body from:

Question # 8

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 9

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

Question # 10

A particle moving uniformly along circle its projection along diameter performs

Question # 11

Acceleration of body executing SHM is always directed towards

Question # 12

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 13

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

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

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

Question # 16

An oscillating body oscillates due to:

Question # 17

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

Question # 18

When quarter of a cycle is completed, the phase of vibration is:

Question # 19

The S.I unit of frequency is

Question # 20

To and from motion of a body about its mean position is known as:

Question # 21

The time period of a simple pendulum is independent of its:

Question # 22

The displacement of body executing SHM is

Question # 23

An object undergoes SHM. Its maximum equilibrium positions:

Question # 24

Which one of the following is an example of SHM:

Question # 25

The restoring force is _____ and opposite to the applied force within ______,:

Question # 26

The acceleration of body executing SHM is directly proportional to

Question # 27

When a body is vibrating, the displacement from mean position:

Question # 28

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

Question # 29

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

Question # 30

The restoring force is always directed towards:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
A. Applied force , inertia
B. Restoring force, friction
C. Frictional force, inertia
D. Restoring force, inertia
2 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
3 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
4 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
5 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
6 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
7 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
10 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force

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