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 restoring force is always directed towards:

Question # 2

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

Question # 3

In vibrational motion(SHM)

Question # 4

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

Question # 5

When a body is vibrating, the displacement from mean position

Question # 6

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

Question # 7

Vibratory motion is always under

Question # 8

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

Question # 9

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

Question # 10

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 16

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

Question # 17

The time taken to complete one vibration is called:

Question # 18

SHM is type of ______ motion

Question # 19

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

Question # 20

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

Question # 21

Which one of the following is an example of SHM:

Question # 22

The string of a simple pendulum should be:

Question # 23

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

Question # 24

Acceleration of body executing SHM is always directed towards

Question # 25

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

Question # 26

The S.I unit of frequency is

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

An object undergoes SHM. Its maximum equilibrium positions:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
3 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
4 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
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 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
7 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
8 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
9 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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