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

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

Question # 2

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

Question # 3

Vibratory motion is always under

Question # 4

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

Question # 5

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

Question # 6

Velocity of particle executing SHM will be maximum at

Question # 7

SHM is type of ______ motion

Question # 8

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

Question # 9

The restoring force is always directed towards:

Question # 10

Which one of the following is an example of SHM:

Question # 11

The acceleration of body executing SHM is directly proportional to

Question # 12

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

Question # 13

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

Question # 14

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

Question # 15

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

Question # 16

When a body is vibrating, the displacement from mean position:

Question # 17

The S.I unit of frequency is

Question # 18

The unit of spring constant is:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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 # 23

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

Question # 24

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

Question # 25

Second's pendulum is the pendulum whose time period is:

Question # 26

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

Question # 27

Amplitude is the displacement of the vibrating body from:

Question # 28

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
3 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
4 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
5 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
6 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
7 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
8 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
9 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
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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