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

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

Question # 3

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

Question # 4

Vibratory motion is always under

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

An object undergoes SHM. Its maximum equilibrium positions:

Question # 9

Which of the following forces is responsible for SHM

Question # 10

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 # 11

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

Question # 12

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

Question # 13

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

Question # 14

Hertz is unit of:

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 19

When a body is vibrating, the displacement from mean position

Question # 20

Amplitude is the displacement of the vibrating body from:

Question # 21

Amplitude in SHM is equivalent to ______ in circular motion

Question # 22

The unit of spring constant is

Question # 23

Velocity of particle executing SHM will be maximum at

Question # 24

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

Question # 25

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

Question # 26

SHM is type of ______ motion

Question # 27

The acceleration of body executing SHM is directly proportional to

Question # 28

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

Question # 29

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 # 30

The displacement of body executing SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
2 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
3 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
4 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
5 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
6 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
7 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 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
10 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None

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