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

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

Question # 2

An object undergoes SHM. Its maximum equilibrium positions:

Question # 3

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

Question # 4

SHM is type of ______ motion

Question # 5

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 # 6

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

Question # 7

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

Question # 8

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

Question # 9

Which one of the following is an example of SHM:

Question # 10

Free oscillations are always produced by:

Question # 11

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

Question # 12

The SI unit of spring constant is identical with that of

Question # 13

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

Question # 14

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

Question # 15

The restoring force is always directed towards:

Question # 16

A body with frequency would complete one vibration in:

Question # 17

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

Question # 18

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 # 19

The unit of spring constant is

Question # 20

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

Question # 21

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

Question # 22

The wave form of SHM is

Question # 23

Vibratory motion is always under

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The time period of a simple pendulum is independent of its:

Question # 30

An oscillating body oscillates due to:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
2 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
3 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
4 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
5 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
6 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
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 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
10 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

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