ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

The restoring force is always directed towards:

Question # 2

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

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

Question # 5

The unit of spring constant is:

Question # 6

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

Question # 7

The string of a simple pendulum should be:

Question # 8

In vibrational motion(SHM)

Question # 9

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

Question # 10

Which of the following forces is responsible for SHM

Question # 11

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 12

Which of the following is an example of SHM(in ideal situations)

Question # 13

The unit of spring constant is

Question # 14

The graph showing the variation of displacement with time is a:

Question # 15

Which one of the following is an example of SHM

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
3 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 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
5 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 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
7 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
8 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
9 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
10 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these

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