ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

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

Question # 2

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 3

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

Question # 4

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

Question # 5

In vibrational motion(SHM)

Question # 6

Velocity of particle executing SHM will be maximum at

Question # 7

An object undergoes SHM. Its maximum equilibrium positions:

Question # 8

A body with frequency would complete one vibration in:

Question # 9

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

Question # 10

The S.I unit of frequency is

Question # 11

When a body is vibrating, the displacement from mean position

Question # 12

The displacement of body executing SHM is

Question # 13

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

Question # 14

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 # 15

The graph showing the variation of displacement with time is a

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
2 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
3 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
4 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 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
6 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
7 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
8 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
9 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
10 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

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