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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 6

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

Question # 7

The time period of a simple pendulum is independent of its:

Question # 8

The restoring force is always directed towards:

Question # 9

The string of a simple pendulum should be:

Question # 10

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 11

The graph showing the variation of displacement with time is a:

Question # 12

The time taken to complete one vibration is called:

Question # 13

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

Question # 14

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

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 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
2 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
3 If a force of 0.05 N produces an elongation of 20 mm in a 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
4 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
6 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
7 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
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 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
10 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these

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