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

The S.I unit of frequency is

Question # 2

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 3

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

Question # 4

Which one of the following is an example of SHM:

Question # 5

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

Question # 6

A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 7

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

Question # 8

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 # 9

Velocity of particle executing SHM will be maximum at

Question # 10

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

Question # 11

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

Question # 12

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 # 13

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

Question # 14

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

Question # 15

If time period of a pendulum is doubled by increasing its length, then its frequency will

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
2 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
3 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
4 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
5 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
6 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
7 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
8 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
10 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these

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