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

The SI unit of spring constant is identical with that of

Question # 2

SHM is type of ______ motion

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 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:

Question # 8

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 9

The displacement of body executing SHM is

Question # 10

The S.I unit of frequency is

Question # 11

An object undergoes SHM. Its maximum equilibrium positions:

Question # 12

Acceleration of body executing SHM is always directed towards

Question # 13

The wave form of SHM is

Question # 14

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

Question # 15

The string of a simple pendulum should be:

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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 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
3 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
4 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
5 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
6 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
7 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
8 The restoring force is _____ and opposite to the applied force within ______,:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
9 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
10 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference

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