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

Hertz is unit of:

Question # 2

The graph showing the variation of displacement with time is a

Question # 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:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Which one of the following is an example of SHM

Question # 11

The string of a simple pendulum should be:

Question # 12

A particle moving uniformly along circle its projection along diameter performs

Question # 13

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

Question # 14

Amplitude in SHM is equivalent to ______ in circular motion

Question # 15

The S.I unit of frequency 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 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
3 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
5 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
6 The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
A. Applied force , inertia
B. Restoring force, friction
C. Frictional force, inertia
D. Restoring force, inertia
7 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
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. Vibratory, chord
C. SHM, diameter
D. SHM, circumference
9 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
10 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°

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