ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

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 # 2

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

Question # 3

Acceleration of body executing SHM is always directed towards

Question # 4

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

Question # 5

The graph showing the variation of displacement with time is a

Question # 6

The unit of spring constant is:

Question # 7

A body with frequency would complete one vibration in:

Question # 8

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

Question # 9

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 10

In vibrational motion(SHM)

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion

Question # 12

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

Question # 13

The acceleration of body executing SHM is directly proportional to

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

Which one of the following is an example of SHM:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
2 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
3 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
4 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
5 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
6 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
7 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
8 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
9 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
10 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these

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