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

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

Question # 2

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 3

The SI unit of spring constant is identical with that of:

Question # 4

A particle moving uniformly along circle its projection along diameter performs

Question # 5

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

Question # 6

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 7

The graph showing the variation of displacement with time is a

Question # 8

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

Question # 9

An oscillating body oscillates due to:

Question # 10

In vibrational motion(SHM)

Question # 11

The string of a simple pendulum should be:

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

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

Question # 14

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

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 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
2 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
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 oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
5 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
6 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
7 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
8 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
10 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

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