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

The wave form of SHM is

Question # 2

The unit of spring constant is:

Question # 3

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 4

A body with frequency would complete one vibration in:

Question # 5

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:

Question # 6

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

Question # 7

In vibrational motion(SHM)

Question # 8

The S.I unit of frequency is

Question # 9

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

Question # 10

Velocity of particle executing SHM will be maximum at

Question # 11

Which one of the following is an example of SHM

Question # 12

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

Question # 13

The graph showing the variation of displacement with time is a

Question # 14

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

Question # 15

SHM is type of ______ motion

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
2 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
3 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
4 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
5 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
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 maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
8 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
9 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
10 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them

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