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

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

A body with frequency would complete one vibration in:

Question # 9

Hertz is unit of:

Question # 10

The unit of spring constant is:

Question # 11

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

Question # 12

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

Question # 13

The string of a simple pendulum should be:

Question # 14

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

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 16

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

Question # 17

The displacement of body executing SHM is

Question # 18

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

Question # 19

Which one of the following is an example of SHM

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 25

The SI unit of spring constant is identical with that of

Question # 26

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

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

Question # 29

The acceleration of body executing SHM is directly proportional to

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:
A. Circular motion, circumference
B. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
3 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
4 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
5 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
6 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
7 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
8 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
9 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
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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