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 time period of a simple pendulum is independent of its:

Question # 2

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

Question # 3

The restoring force is always directed towards:

Question # 4

When a body is vibrating, the displacement from mean position

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

The wave form of SHM is

Question # 7

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

Question # 8

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

Question # 9

The graph showing the variation of displacement with time is a

Question # 10

The SI unit of spring constant is identical with that of

Question # 11

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:

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

Which one of the following is an example of SHM:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

The displacement of body executing SHM is

Question # 22

SHM is type of ______ motion

Question # 23

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 24

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

Question # 25

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

Question # 26

Acceleration of body executing SHM is always directed towards

Question # 27

The unit of spring constant is

Question # 28

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

Question # 29

The unit of spring constant is:

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
2 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
3 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
4 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
6 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
7 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
8 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
9 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
10 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion

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