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

00:00
Question # 1

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

Question # 2

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

Question # 3

The SI unit of spring constant is identical with that of

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

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

Question # 10

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:

Question # 11

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

Question # 12

Which one of the following is an example of SHM

Question # 13

Acceleration of body executing SHM is always directed towards

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

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 # 16

The unit of spring constant is:

Question # 17

The string of a simple pendulum should be:

Question # 18

The S.I unit of frequency is

Question # 19

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

Question # 20

Which one of the following is an example of SHM:

Question # 21

An object undergoes SHM. Its maximum equilibrium positions:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
2 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
3 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
4 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
5 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
6 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
7 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
8 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
9 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
10 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these

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