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 body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 2

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

Question # 3

In vibrational motion(SHM)

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

The unit of spring constant is

Question # 8

The wave form of SHM is

Question # 9

The restoring force is always directed towards:

Question # 10

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

Question # 11

Hertz is unit of:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Amplitude is the displacement of the vibrating body from:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
2 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
3 The restoring force is _____ and 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
4 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
5 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
6 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
7 A body with frequency of 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
9 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
10 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement

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