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

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

Question # 2

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

Question # 3

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 # 4

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

Question # 5

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 6

The string of a simple pendulum should be:

Question # 7

Free oscillations are always produced by:

Question # 8

The unit of spring constant is:

Question # 9

The SI unit of spring constant is identical with that of:

Question # 10

The SI unit of spring constant is identical with that of

Question # 11

The unit of spring constant is

Question # 12

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

Question # 13

In vibrational motion(SHM)

Question # 14

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

Question # 15

The displacement of body executing SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
2 A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
3 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
4 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
5 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
6 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
7 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
8 The restoring force is _____ and 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
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 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these

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