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

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 2

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

Question # 3

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

Question # 4

The maximum distance of body from mean position when body is executing SHM is called

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 6

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

Question # 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:

Question # 8

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

Question # 9

The string of a simple pendulum should be:

Question # 10

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

Question # 11

The graph showing the variation of displacement with time is a

Question # 12

A body with frequency of would complete one vibration in:

Question # 13

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

Question # 14

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
2 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
3 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
4 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
5 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
6 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
7 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 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
10 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

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