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 unit of spring constant is

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 6

The displacement of body executing SHM is

Question # 7

Velocity of particle executing SHM will be maximum at

Question # 8

The unit of spring constant is:

Question # 9

In SHM, there is always a constant ratio between displacement if body and its:

Question # 10

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

Question # 11

SHM is type of ______ motion

Question # 12

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

Question # 13

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

Question # 14

An oscillating body oscillates due to:

Question # 15

Which of the following forces is responsible for SHM

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Free oscillations are always produced by:

Question # 20

Amplitude is the displacement of the vibrating body from:

Question # 21

Which of the following is an example of SHM(in ideal situations)

Question # 22

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

Question # 23

Acceleration of body executing SHM is always directed towards

Question # 24

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 # 25

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

Question # 26

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

Question # 27

A body with frequency would complete one vibration in:

Question # 28

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

Question # 29

The restoring force is always directed towards:

Question # 30

In vibrational motion(SHM)

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
3 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
4 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
5 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
6 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
7 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
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 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
10 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None

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