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

In vibrational motion(SHM)

Question # 2

SHM is type of ______ motion

Question # 3

When quarter of a circle is completed, phase of vibration is:

Question # 4

When quarter of a cycle is completed, the phase of vibration is:

Question # 5

Hertz is unit of:

Question # 6

An object undergoes SHM. Its maximum equilibrium positions:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Free oscillations are always produced by:

Question # 15

An object in SHM will have maximum speed when its displacement from equilibrium position is:

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Sr.# Question Answer
1 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
3 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
4 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
5 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. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
6 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
7 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
8 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
9 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
10 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

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