ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

Which of the following forces is responsible for SHM

Question # 3

A particle moving uniformly along circle its projection along diameter performs

Question # 4

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion

Question # 6

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

Question # 7

The restoring force is always directed towards:

Question # 8

The graph showing the variation of displacement with time is a

Question # 9

The restoring force is _____ and opposite to the applied force within ______,:

Question # 10

The S.I unit of frequency is

Question # 11

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

Question # 12

A body with frequency of would complete one vibration in:

Question # 13

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

Question # 14

The SI unit of spring constant is identical with that of:

Question # 15

A body with frequency would complete one vibration in:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
3 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
5 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
6 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
7 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
8 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
9 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
10 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion

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