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

00:00
Question # 1

An oscillating body oscillates due to:

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 4

A particle moving uniformly along circle its projection along diameter performs

Question # 5

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

Question # 6

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 # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The unit of spring constant is:

Question # 13

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

Question # 14

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

Question # 15

The graph showing the variation of displacement with time is a

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 The restoring force is ______ amd 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
3 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
4 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
5 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
6 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
7 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
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 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
10 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force

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