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

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

Question # 2

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

Question # 3

Which of the following forces is responsible for SHM

Question # 4

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

Question # 5

The body oscillates due to ______ accelerates and overshoots the rest position due to _______

Question # 6

The displacement of body executing SHM is

Question # 7

The unit of spring constant is

Question # 8

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 9

A body with frequency of would complete one vibration in:

Question # 10

The graph showing the variation of displacement with time is a

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

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 13

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 14

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

Question # 15

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:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
2 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
3 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
4 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
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 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
7 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
8 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
9 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
10 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these

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