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

In SHM, the acceleration is ______ when velocity is _____:

Question # 2

The time taken to complete one vibration is called:

Question # 3

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

Question # 4

The maximum distance of body from mean position when body is executing SHM is called

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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:

Question # 9

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

Question # 10

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

Question # 11

In SHM, there is always a constant ratio between displacement if body and its:

Question # 12

Which one of the following is an example of SHM

Question # 13

Vibratory motion is always under

Question # 14

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

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 16

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 17

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 18

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

Question # 19

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

Question # 20

Which one of the following is an example of SHM:

Question # 21

The wave form of SHM is

Question # 22

A body with frequency of would complete one vibration in:

Question # 23

An object undergoes SHM. Its maximum equilibrium positions:

Question # 24

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

Question # 25

Amplitude in SHM is equivalent to ______ in circular motion

Question # 26

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

Question # 27

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 28

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

Question # 29

The acceleration of body executing SHM is directly proportional to

Question # 30

Second's pendulum is the pendulum whose time period is:

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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 SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
3 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
4 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
5 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
6 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
7 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
8 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
9 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
10 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B

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