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 body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 2

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

Question # 3

A particle moving uniformly along circle its projection along diameter performs

Question # 4

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

Question # 5

Which one of the following is an example of SHM

Question # 6

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

Question # 7

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

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 9

Which one of the following is an example of SHM:

Question # 10

The graph showing the variation of displacement with time is a

Question # 11

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

Question # 12

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 13

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

Question # 14

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

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 wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
2 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
3 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
4 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
5 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
6 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
7 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
8 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
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 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

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