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

The graph showing the variation of displacement with time is a

Question # 2

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

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 5

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

Question # 6

Which one of the following is an example of SHM:

Question # 7

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

Question # 8

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

Question # 9

The wave form of SHM is

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Hertz is unit of:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

Which of the following is an example of SHM(in ideal situations)

Question # 21

The acceleration of body executing SHM is directly proportional to

Question # 22

An oscillating body oscillates due to:

Question # 23

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

Question # 24

The string of a simple pendulum should be:

Question # 25

The restoring force is always directed towards:

Question # 26

Acceleration of body executing SHM is always directed towards

Question # 27

In SHM, there is always a constant ratio between displacement if body and its:

Question # 28

Which one of the following is an example of SHM

Question # 29

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
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 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
5 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
6 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
7 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
8 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
9 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
10 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these

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