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

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

The string of a simple pendulum should be:

Question # 4

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

Question # 5

An oscillating body oscillates due to:

Question # 6

The maximum distance of body from mean position when body is executing SHM is called

Question # 7

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 8

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

Question # 9

Hertz is unit of:

Question # 10

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

Question # 11

Acceleration of body executing SHM is always directed towards

Question # 12

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

Question # 13

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

Question # 14

Which one of the following is an example of SHM

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
2 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
3 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
4 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
5 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 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
7 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
8 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
9 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
10 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness

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