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 in SHM is equivalent to ______ in circular motion

Question # 2

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

Question # 3

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

Question # 4

Vibratory motion is always under

Question # 5

Velocity of particle executing SHM will be maximum at

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

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

Question # 8

The string of a simple pendulum should be:

Question # 9

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

Question # 10

The acceleration of body executing SHM is directly proportional to

Question # 11

Which one of the following is an example of SHM

Question # 12

Acceleration of body executing SHM is always directed towards

Question # 13

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

Question # 14

The SI unit of spring constant is identical with that of

Question # 15

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

Question # 16

The unit of spring constant is:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

Hertz is unit of:

Question # 21

In vibrational motion(SHM)

Question # 22

The restoring force is always directed towards:

Question # 23

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

Question # 24

The maximum distance of body from mean position when body is executing SHM is called

Question # 25

When a body is vibrating, the displacement from mean position

Question # 26

A body with frequency would complete one vibration in:

Question # 27

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

Question # 28

Free oscillations are always produced by:

Question # 29

The time taken to complete one vibration is called:

Question # 30

A body with frequency of would complete one vibration in:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
2 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
3 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
4 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
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 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
7 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
8 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
9 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
10 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3

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