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

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 2

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:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 7

A particle moving uniformly along circle its projection along diameter performs

Question # 8

The string of a simple pendulum should be:

Question # 9

Which of the following is an example of SHM(in ideal situations)

Question # 10

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

Question # 11

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 12

Which of the following forces is responsible for SHM

Question # 13

Which one of the following is an example of SHM:

Question # 14

Free oscillations are always produced by:

Question # 15

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

Question # 16

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

Question # 17

Vibratory motion is always under

Question # 18

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

Question # 19

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

Question # 20

The displacement of body executing SHM is

Question # 21

The graph showing the variation of displacement with time is a

Question # 22

An oscillating body oscillates due to:

Question # 23

The SI unit of spring constant is identical with that of

Question # 24

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

Question # 25

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

Question # 26

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 27

The restoring force is always directed towards:

Question # 28

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 29

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 30

The acceleration of body executing SHM is directly proportional to

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
2 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
3 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
4 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
5 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
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 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
8 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
9 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
10 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these

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