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

Amplitude is the displacement of the vibrating body from:

Question # 2

Vibratory motion is always under

Question # 3

An object undergoes SHM. Its maximum equilibrium positions:

Question # 4

An oscillating body oscillates due to:

Question # 5

Free oscillations are always produced by:

Question # 6

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 # 7

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

Question # 8

A body with frequency of would complete one vibration in:

Question # 9

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

Question # 10

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

Question # 11

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 12

Hertz is unit of:

Question # 13

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 14

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

Question # 15

The S.I unit of frequency 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 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
3 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
4 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
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 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
7 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
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 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only

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