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 displacement of body executing SHM is

Question # 2

In vibrational motion(SHM)

Question # 3

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

Question # 4

The time taken to complete one vibration is called:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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 # 9

The SI unit of spring constant is identical with that of

Question # 10

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

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion

Question # 12

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

Question # 13

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

Question # 14

The unit of spring constant is:

Question # 15

Velocity of particle executing SHM will be maximum at

Question # 16

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

Question # 17

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

Question # 18

When a body is vibrating, the displacement from mean position

Question # 19

SHM is type of ______ motion

Question # 20

Acceleration of body executing SHM is always directed towards

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

A body with frequency would complete one vibration in:

Question # 27

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

Question # 28

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

Question # 29

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
2 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
3 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
4 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
5 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
6 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
7 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
8 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
9 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
10 If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these

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