ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

Second's pendulum is the pendulum whose time period 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

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

Question # 5

The time period of a simple pendulum is independent of its:

Question # 6

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

Question # 7

SHM is type of ______ motion

Question # 8

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 # 9

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

Question # 10

If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:

Question # 11

The displacement of body executing SHM is

Question # 12

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

Question # 13

Velocity of particle executing SHM will be maximum at

Question # 14

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 15

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:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
3 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 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
5 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 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
7 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
8 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
9 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
10 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f

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