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

Acceleration of body executing SHM is always directed towards

Question # 2

The unit of spring constant is:

Question # 3

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

Question # 4

When a body is vibrating, the displacement from mean position

Question # 5

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 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
3 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
4 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
5 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
6 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
7 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
9 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 The restoring force is ______ amd 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

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