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

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

Question # 2

The string of a simple pendulum should be:

Question # 3

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

Question # 4

The unit of spring constant is:

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion

Question # 6

When a body is vibrating, the displacement from mean position

Question # 7

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

Question # 8

Free oscillations are always produced by:

Question # 9

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 10

The unit of spring constant is

Question # 11

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 # 12

When a body is vibrating, the displacement from mean position:

Question # 13

Which one of the following is an example of SHM

Question # 14

Hertz is unit of:

Question # 15

The time period of a simple pendulum is independent of its:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
3 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
4 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
5 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
6 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
7 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
8 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
9 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
10 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1

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