ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

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

Question # 3

Acceleration of body executing SHM is always directed towards

Question # 4

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

Question # 5

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

Question # 6

An oscillating body oscillates due to:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The unit of spring constant is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
3 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
4 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
5 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
7 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
8 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 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
10 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

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