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 wave form of SHM is

Question # 2

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

Question # 3

Hertz is unit of:

Question # 4

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

Question # 5

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 6

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

Question # 7

When a body is vibrating, the displacement from mean position

Question # 8

An object undergoes SHM. Its maximum equilibrium positions:

Question # 9

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

Question # 10

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

Question # 11

The S.I unit of frequency is

Question # 12

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

Question # 13

In vibrational motion(SHM)

Question # 14

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

Question # 15

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

Question # 16

Amplitude is the displacement of the vibrating body from:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

Which one of the following is an example of SHM:

Question # 22

Free oscillations are always produced by:

Question # 23

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

Question # 24

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

Question # 25

Which one of the following is an example of SHM

Question # 26

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 27

The acceleration of body executing SHM is directly proportional to

Question # 28

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

Question # 29

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

Question # 30

A particle moving uniformly along circle its projection along diameter performs

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
5 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
6 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
7 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
8 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
9 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
10 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

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