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

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

Question # 2

SHM is type of ______ motion

Question # 3

The graph showing the variation of displacement with time is a

Question # 4

Acceleration of body executing SHM is always directed towards

Question # 5

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

Question # 6

In vibrational motion(SHM)

Question # 7

Velocity of particle executing SHM will be maximum at

Question # 8

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

Question # 9

Vibratory motion is always under

Question # 10

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 # 11

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

Question # 12

Hertz is unit of:

Question # 13

A body with frequency would complete one vibration in:

Question # 14

When a body is vibrating, the displacement from mean position:

Question # 15

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:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
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 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
4 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
5 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
6 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
8 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
9 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
10 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None

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