ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

The restoring force is always directed towards:

Question # 2

A body with frequency of would complete one vibration in:

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to ______ in circular motion

Question # 5

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

Question # 6

A body with frequency would complete one vibration in:

Question # 7

Which of the following forces is responsible for SHM

Question # 8

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

Question # 9

In SHM, there is always a constant ratio between displacement if body and its:

Question # 10

Amplitude is the displacement of the vibrating body from:

Question # 11

If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:

Question # 12

A particle moving uniformly along circle its projection along diameter performs

Question # 13

The wave form of SHM is

Question # 14

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

Question # 15

The unit of spring constant is:

Question # 16

The SI unit of spring constant is identical with that of

Question # 17

Hertz is unit of:

Question # 18

The SI unit of spring constant is identical with that of:

Question # 19

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

Question # 20

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

Question # 21

Free oscillations are always produced by:

Question # 22

Velocity of particle executing SHM will be maximum at

Question # 23

Which one of the following is an example of SHM:

Question # 24

The string of a simple pendulum should be:

Question # 25

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
3 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
4 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
5 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
6 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
7 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
8 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
9 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
10 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these

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