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

A body with frequency of would complete one vibration in:

Question # 2

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

Question # 3

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

Question # 4

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 5

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 6

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 # 7

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

Question # 8

The acceleration of body executing SHM is directly proportional to

Question # 9

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

Question # 10

Free oscillations are always produced by:

Question # 11

A particle moving uniformly along circle its projection along diameter performs

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
2 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
3 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
4 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
5 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
6 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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
7 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
8 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
10 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these

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