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

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

Question # 2

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

Question # 3

The string of a simple pendulum should be:

Question # 4

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

Question # 5

When a body is vibrating, the displacement from mean position

Question # 6

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 7

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

Question # 8

The acceleration of body executing SHM is directly proportional to

Question # 9

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 # 10

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

Question # 11

Free oscillations are always produced by:

Question # 12

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

Question # 13

Velocity of particle executing SHM will be maximum at

Question # 14

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 # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
2 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
3 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
5 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
7 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 The restoring force is _____ and opposite to the applied force within ______,:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
9 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
10 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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