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

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

Question # 2

Which one of the following is an example of SHM

Question # 3

The wave form of SHM is

Question # 4

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

Question # 5

Which one of the following is an example of SHM:

Question # 6

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

Question # 7

In vibrational motion(SHM)

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 9

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

Question # 10

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:

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The string of a simple pendulum should be:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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 # 20

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

Question # 21

Velocity of particle executing SHM will be maximum at

Question # 22

Free oscillations are always produced by:

Question # 23

The graph showing the variation of displacement with time is a

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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 # 29

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

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 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
2 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
3 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
4 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
5 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
6 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
7 If a force of 0.05 N produces an elongation of 20 mm in 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
8 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
9 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
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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