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 restoring force is always directed towards:

Question # 2

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

Question # 3

The displacement of body executing SHM is

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

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

The string of a simple pendulum should be:

Question # 8

The time taken to complete one vibration is called:

Question # 9

Acceleration of body executing SHM is always directed towards

Question # 10

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

Question # 11

An oscillating body oscillates due to:

Question # 12

A body with frequency of would complete one vibration in:

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 body oscillates due to ______ accelerates and overshoots the rest position due to _______

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
A. Applied force , inertia
B. Restoring force, friction
C. Frictional force, inertia
D. Restoring force, inertia
2 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
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 body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
5 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 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
7 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
8 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
9 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
10 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these

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