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

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

Question # 2

When a body is vibrating, the displacement from mean position

Question # 3

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

Question # 4

Free oscillations are always produced by:

Question # 5

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

Question # 6

Second's pendulum is the pendulum whose time period is:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

An object undergoes SHM. Its maximum equilibrium positions:

Question # 11

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

Question # 12

Amplitude in SHM is equivalent to ______ in circular motion

Question # 13

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

Question # 14

In SHM, the acceleration is ______ when velocity is _____:

Question # 15

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 16

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

Question # 17

The displacement of body executing SHM is

Question # 18

The unit of spring constant is

Question # 19

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

Question # 20

Which one of the following is an example of SHM:

Question # 21

SHM is type of ______ motion

Question # 22

An oscillating body oscillates due to:

Question # 23

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 24

The SI unit of spring constant is identical with that of

Question # 25

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

Question # 26

Velocity of particle executing SHM will be maximum at

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Hertz is unit of:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
2 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
3 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
4 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
5 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
6 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
7 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
8 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
9 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
10 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

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