ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

Amplitude is the displacement of the vibrating body from:

Question # 2

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

Question # 3

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

Question # 4

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

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

Question # 10

Which one of the following is an example of SHM

Question # 11

A body with frequency of would complete one vibration in:

Question # 12

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 13

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

Question # 14

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

Question # 15

The S.I unit of frequency is

Question # 16

The string of a simple pendulum should be:

Question # 17

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

Question # 18

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

Question # 19

When quarter of a cycle is completed, the phase of vibration is:

Question # 20

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

Question # 21

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

Question # 22

The wave form of SHM is

Question # 23

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

Question # 24

An oscillating body oscillates due to:

Question # 25

The graph showing the variation of displacement with time is a

Question # 26

The restoring force is always directed towards:

Question # 27

A body with frequency would complete one vibration in:

Question # 28

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

Question # 29

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 30

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
3 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 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
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 wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
7 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
8 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 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

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