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 graph showing the variation of displacement with time is a

Question # 2

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

Question # 3

The unit of spring constant is

Question # 4

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 5

The S.I unit of frequency is

Question # 6

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

Question # 7

Which of the following is an example of SHM(in ideal situations)

Question # 8

The unit of spring constant is:

Question # 9

The restoring force is always directed towards:

Question # 10

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

Question # 11

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

Question # 12

In SHM, the acceleration is ______ when velocity is _____:

Question # 13

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

Question # 14

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

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
2 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
3 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
4 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
5 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
6 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
8 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
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 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°

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