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

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

Question # 2

The string of a simple pendulum should be:

Question # 3

A particle moving uniformly along circle its projection along diameter performs

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

When a body is vibrating, the displacement from mean position

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

In SHM, there is always a constant ratio between displacement if body and its:

Question # 14

Acceleration of body executing SHM is always directed towards

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
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 number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
4 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
5 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
6 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
7 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
8 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
10 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

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