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 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:

Question # 2

The time taken to complete one vibration is called:

Question # 3

The graph showing the variation of displacement with time is a

Question # 4

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

Question # 5

The restoring force is always directed towards:

Question # 6

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 7

The SI unit of spring constant is identical with that of

Question # 8

A body with frequency would complete one vibration in:

Question # 9

When a body is vibrating, the displacement from mean position

Question # 10

The wave form of SHM is

Question # 11

The unit of spring constant is:

Question # 12

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

Question # 13

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 14

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

Question # 15

Free oscillations are always produced by:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
3 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
4 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 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
6 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
7 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
8 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
9 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
10 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these

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