ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

An object undergoes SHM. Its maximum equilibrium positions:

Question # 2

The restoring force is always directed towards:

Question # 3

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

Question # 4

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

Question # 5

Second's pendulum is the pendulum whose time period is:

Question # 6

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

Question # 7

Hertz is unit of:

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 9

Amplitude is the displacement of the vibrating body from:

Question # 10

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

Question # 11

The time taken to complete one vibration is called:

Question # 12

Acceleration of body executing SHM is always directed towards

Question # 13

When a body is vibrating, the displacement from mean position

Question # 14

The graph showing the variation of displacement with time is a:

Question # 15

A body with frequency of would complete one vibration in:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
2 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
3 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
4 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
5 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
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 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
8 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
9 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
10 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these

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