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

Hertz is unit of:

Question # 2

The restoring force is ______ and opposite tot he applied force within ______

Question # 3

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 4

In vibrational motion(SHM)

Question # 5

The time taken to complete one vibration is called:

Question # 6

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

Question # 7

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

Question # 8

The displacement of body executing SHM is

Question # 9

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

Question # 10

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

Question # 11

The S.I unit of frequency is

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

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

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

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

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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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
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 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
5 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
6 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
7 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
8 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
9 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
10 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these

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