ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

Which of the following forces is responsible for SHM

Question # 5

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

Question # 6

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

Question # 7

The S.I unit of frequency is

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 13

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

Question # 14

If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:

Question # 15

The wave form of SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
2 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
3 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
4 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
5 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
7 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
8 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
9 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
10 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness

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