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

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

Question # 2

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

Question # 3

Which of the following is an example of SHM(in ideal situations)

Question # 4

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

Question # 5

A particle moving uniformly along circle its projection along diameter performs

Question # 6

Which one of the following is an example of SHM:

Question # 7

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

Question # 8

Vibratory motion is always under

Question # 9

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

Question # 10

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

Question # 11

Acceleration of body executing SHM is always directed towards

Question # 12

An oscillating body oscillates due to:

Question # 13

An object undergoes SHM. Its maximum equilibrium positions:

Question # 14

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

Question # 15

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

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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 time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
3 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
5 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
6 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
7 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
8 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
9 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
10 A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these

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