ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

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

Try The 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

A body with frequency of would complete one vibration in:

Question # 2

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

Question # 3

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

Question # 4

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 # 5

An oscillating body oscillates due to:

Question # 6

Which of the following forces is responsible for SHM

Question # 7

Which of the following is an example of SHM(in ideal situations)

Question # 8

The restoring force is always directed towards:

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Acceleration of body executing SHM is always directed towards

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 25

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

Question # 26

A particle moving uniformly along circle its projection along diameter performs

Question # 27

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 28

The graph showing the variation of displacement with time is a

Question # 29

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 # 30

Amplitude in SHM is equivalent to ______ in circular motion:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
2 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
3 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
4 If a force of 0.05 N produces an elongation of 20 mm in 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
5 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
6 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
7 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
8 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
9 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
10 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum

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