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 would complete one vibration in:

Question # 2

Free oscillations are always produced by:

Question # 3

The SI unit of spring constant is identical with that of

Question # 4

A body with frequency of would complete one vibration in:

Question # 5

Vibratory motion is always under

Question # 6

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

Question # 7

The unit of spring constant is:

Question # 8

Amplitude is the displacement of the vibrating body from:

Question # 9

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

Question # 10

The unit of spring constant is

Question # 11

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

Question # 12

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 13

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 14

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

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 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
2 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
3 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
4 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
5 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
6 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
7 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
8 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
9 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
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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