ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

Which of the following forces is responsible for SHM

Question # 2

The time taken to complete one vibration is called:

Question # 3

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

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

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

The graph showing the variation of displacement with time is a

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 12

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

Question # 13

Vibratory motion is always under

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
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 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 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
7 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
8 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
9 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
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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