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

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

Question # 2

Which of the following forces is responsible for SHM

Question # 3

Which one of the following is an example of SHM:

Question # 4

Vibratory motion is always under

Question # 5

Velocity of particle executing SHM will be maximum at

Question # 6

Free oscillations are always produced by:

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

The displacement of body executing SHM is

Question # 9

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

Question # 10

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

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Which one of the following is an example of SHM

Question # 17

Acceleration of body executing SHM is always directed towards

Question # 18

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

Question # 19

The SI unit of spring constant is identical with that of

Question # 20

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

Question # 21

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

Question # 22

An oscillating body oscillates due to:

Question # 23

The unit of spring constant is:

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Amplitude in SHM is equivalent to ______ in circular motion:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
2 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
3 A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:
A. Circular motion, circumference
B. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
4 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
5 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
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 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
10 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

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