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

00:00
Question # 1

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

Question # 2

The string of a simple pendulum should be:

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to ______ in circular motion

Question # 5

A body with frequency of would complete one vibration in:

Question # 6

Free oscillations are always produced by:

Question # 7

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

Question # 8

Hertz is unit of:

Question # 9

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 # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Acceleration of body executing SHM is always directed towards

Question # 15

The wave form of SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
2 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
3 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
4 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
5 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
6 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
7 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
8 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
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 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force

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