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

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 # 2

The string of a simple pendulum should be:

Question # 3

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

Question # 4

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

Question # 5

Velocity of particle executing SHM will be maximum at

Question # 6

The unit of spring constant is

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

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 # 9

The SI unit of spring constant is identical with that of

Question # 10

Vibratory motion is always under

Question # 11

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

Question # 12

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

Question # 13

SHM is type of ______ motion

Question # 14

Which one of the following is an example of SHM:

Question # 15

The graph showing the variation of displacement with time is a

Question # 16

The restoring force is always directed towards:

Question # 17

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

Question # 18

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

Question # 19

An oscillating body oscillates due to:

Question # 20

Amplitude in SHM is equivalent to ______ in circular motion

Question # 21

The unit of spring constant is:

Question # 22

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

Question # 23

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

Question # 24

A body with frequency would complete one vibration in:

Question # 25

Acceleration of body executing SHM is always directed towards

Question # 26

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

Question # 27

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

Question # 28

The displacement of body executing SHM is

Question # 29

Hertz is unit of:

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
2 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
3 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
4 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
5 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
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 acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
8 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
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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