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

The restoring force is always directed towards:

Question # 2

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

Question # 3

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

Question # 4

Vibratory motion is always under

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 9

Amplitude in SHM is equivalent to ______ in circular motion

Question # 10

The string of a simple pendulum should be:

Question # 11

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

Question # 12

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

Question # 13

The time period of a simple pendulum is independent of its:

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
3 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
4 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
5 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
6 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
7 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
8 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
9 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
10 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only

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