ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

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 wave form of SHM is

Question # 2

The time taken to complete one vibration is called:

Question # 3

The acceleration of body executing SHM is directly proportional to

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Which one of the following is an example of SHM:

Question # 8

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

Question # 9

The displacement of body executing SHM is

Question # 10

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

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Vibratory motion is always under

Question # 17

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

Question # 18

When a body is vibrating, the displacement from mean position

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

Acceleration of body executing SHM is always directed towards

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
5 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
6 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
7 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
8 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
9 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
10 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None

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