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

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

Question # 2

Which one of the following is an example of SHM:

Question # 3

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

Question # 4

Free oscillations are always produced by:

Question # 5

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

Question # 6

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

Question # 7

The S.I unit of frequency is

Question # 8

A body with frequency would complete one vibration in:

Question # 9

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

Question # 10

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

Question # 11

The string of a simple pendulum should be:

Question # 12

The wave form of SHM is

Question # 13

An oscillating body oscillates due to:

Question # 14

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

Question # 15

The time taken to complete one vibration is called:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
2 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
3 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
4 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
5 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
6 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
7 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
9 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
10 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these

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