ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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 # 2

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

Question # 3

Amplitude is the displacement of the vibrating body from:

Question # 4

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

Question # 5

Velocity of particle executing SHM will be maximum at

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

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

Question # 8

The restoring force is always directed towards:

Question # 9

The S.I unit of frequency is

Question # 10

In SHM, the acceleration is ______ when velocity is _____:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
3 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
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 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
6 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
7 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
8 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
9 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
10 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None

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