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

In SHM, the acceleration is ______ when velocity is _____:

Question # 2

The S.I unit of frequency is

Question # 3

An object undergoes SHM. Its maximum equilibrium positions:

Question # 4

The time period of a simple pendulum is independent of its:

Question # 5

The displacement of body executing SHM is

Question # 6

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 7

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 # 8

Which one of the following is an example of SHM

Question # 9

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

Question # 10

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

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

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

Question # 13

The string of a simple pendulum should be:

Question # 14

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 # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
4 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
5 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
6 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
7 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
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 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B

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