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 SI unit of spring constant is identical with that of:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

In SHM, there is always a constant ratio between displacement if body and its:

Question # 7

The unit of spring constant is

Question # 8

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

Question # 9

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

Question # 10

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:

Question # 11

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 12

Which of the following forces is responsible for SHM

Question # 13

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 # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
4 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
5 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
6 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
7 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 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
9 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
10 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these

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