ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

The string of a simple pendulum should be:

Question # 5

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

Question # 6

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 7

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:

Question # 8

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

Question # 9

Amplitude in SHM is equivalent to ______ in circular motion

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The acceleration of body executing SHM is directly proportional to

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
3 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
4 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
5 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
6 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
7 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
8 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
9 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 When a body is vibrating, the displacement from mean position:
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these

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