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

An oscillating body oscillates due to:

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 8

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

Question # 9

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

Question # 10

The restoring force is ______ and opposite tot he applied force within ______

Question # 11

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 # 12

Free oscillations are always produced by:

Question # 13

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

Question # 14

Amplitude is the displacement of the vibrating body from:

Question # 15

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

Question # 16

The unit of spring constant is:

Question # 17

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 # 18

The unit of spring constant is

Question # 19

An object undergoes SHM. Its maximum equilibrium positions:

Question # 20

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

Question # 21

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

A body with frequency would complete one vibration in:

Question # 27

Acceleration of body executing SHM is always directed towards

Question # 28

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
2 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
3 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
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 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
6 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
8 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
9 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
10 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these

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