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

Amplitude in SHM is equivalent to ______ in circular motion

Question # 2

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

Question # 3

A body with frequency of would complete one vibration in:

Question # 4

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

Question # 5

A particle moving uniformly along circle its projection along diameter performs

Question # 6

The displacement of body executing SHM is

Question # 7

The acceleration of body executing SHM is directly proportional to

Question # 8

Which one of the following is an example of SHM

Question # 9

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 10

The unit of spring constant is:

Question # 11

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

Question # 12

An oscillating body oscillates due to:

Question # 13

Hertz is unit of:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
3 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
4 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
5 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
6 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
7 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
8 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
9 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
10 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these

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