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 mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 2

Which one of the following is an example of SHM

Question # 3

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

Question # 4

In vibrational motion(SHM)

Question # 5

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

Question # 6

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

Question # 7

The string of a simple pendulum should be:

Question # 8

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

Question # 9

A particle moving uniformly along circle its projection along diameter performs

Question # 10

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

Question # 11

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

Question # 12

When a body is vibrating, the displacement from mean position

Question # 13

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

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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 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
3 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
4 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
5 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
7 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
8 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
9 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
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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