ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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

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ECAT Physics Chapter 7 Oscillations

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Question # 1

Free oscillations are always produced by:

Question # 2

The restoring force is always directed towards:

Question # 3

The SI unit of spring constant is identical with that of:

Question # 4

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 5

The time taken to complete one vibration is called:

Question # 6

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

Question # 7

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

Question # 8

A body with frequency would complete one vibration in:

Question # 9

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

Question # 10

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

Question # 11

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 12

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 13

A particle moving uniformly along circle its projection along diameter performs

Question # 14

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

Question # 15

The wave form of SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
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 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
4 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
5 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
6 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
7 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
8 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
9 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
10 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

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