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 forces is responsible for SHM

Question # 2

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

Question # 3

The graph showing the variation of displacement with time is a

Question # 4

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

Question # 5

The unit of spring constant is:

Question # 6

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

Question # 7

The wave form of SHM is

Question # 8

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 # 9

SHM is type of ______ motion

Question # 10

An object undergoes SHM. Its maximum equilibrium positions:

Question # 11

Hertz is unit of:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
2 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
3 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
4 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
5 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
6 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
7 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
8 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 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
10 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force

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