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

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

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 4

A body with frequency of would complete one vibration in:

Question # 5

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

Question # 6

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

Question # 7

Amplitude in SHM is equivalent to ______ in circular motion

Question # 8

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

Question # 9

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

Question # 10

An object undergoes SHM. Its maximum equilibrium positions:

Question # 11

Second's pendulum is the pendulum whose time period is:

Question # 12

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

Question # 13

Amplitude is the displacement of the vibrating body from:

Question # 14

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

Question # 15

The time taken to complete one vibration is called:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
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 in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
5 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
6 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
7 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
9 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
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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