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

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

Question # 2

The string of a simple pendulum should be:

Question # 3

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 4

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

Question # 5

When a body is vibrating, the displacement from mean position

Question # 6

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

Question # 7

The time taken to complete one vibration is called:

Question # 8

If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:

Question # 9

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

Question # 10

Which one of the following is an example of SHM:

Question # 11

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

Question # 12

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

Question # 13

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
2 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
3 Which one of the following is an example of SHM
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
4 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
5 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
6 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
7 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
8 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
9 The restoring force is _____ and 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
10 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f

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