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

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 2

The unit of spring constant is:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Velocity of particle executing SHM will be maximum at

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The string of a simple pendulum should be:

Question # 12

The S.I unit of frequency is

Question # 13

Which one of the following is an example of SHM

Question # 14

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

Question # 15

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:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
2 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
3 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
4 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
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 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
7 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
8 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
9 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
10 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force

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