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 unit of spring constant is:

Question # 2

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

Question # 3

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 4

The time taken to complete one vibration is called:

Question # 5

A body with frequency of would complete one vibration in:

Question # 6

The acceleration of body executing SHM is directly proportional to

Question # 7

SHM is type of ______ motion

Question # 8

Hertz is unit of:

Question # 9

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

Question # 10

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 11

The graph showing the variation of displacement with time is a

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

A body with frequency would complete one vibration in:

Question # 17

The wave form of SHM is

Question # 18

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 # 19

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

Question # 20

The restoring force is always directed towards:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 27

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

Question # 28

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

Question # 29

Amplitude in SHM is equivalent to ______ in circular motion

Question # 30

Which one of the following is an example of SHM

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
2 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
3 The restoring force is _____ and opposite to the applied force within ______,:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
4 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
5 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
6 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
7 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
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 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
10 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these

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