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11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
The amplitude of a vibrating body at resonance in vacuum is
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Minimum
Maximum
Zero
Infinite
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Question # 2
__ will travel faster than other through an optical fibre.
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Ultraviolet light
Visible light
Infrared light
White light
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Question # 3
Wavelength of a wave for closed pipe having length 'l' in the fundamental mode is.
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2 l
1/2
4 l
l
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Question # 4
As we go from pole to equator of earth, the value of 'g'
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Increase
Decrease
Remain constant
Zero
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Question # 5
Young in 1801 performed experiment for the first time about
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Interference
Diffraction
Polarization
Particle nature of light
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Question # 6
Total confined light is obtained by
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Total internal reflection
Refraction of light
Diffraction
Polarization
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Question # 7
The word Fluid means
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To rise
To fall
To flow
To oppose
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Question # 8
Time rate of change of angular displacement is called
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Linear velocity
Angular velocity
Rotational velocity
Vibrational velocity
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Question # 9
S.I Unit of pressure of gas is.
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Nm
N.m
N2/m
N3m
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Question # 10
The speed of sound increases with the increase of in
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Pressure
Volume
Temperature
Density
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Question # 11
Usually the x-axis is taken as
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Vertical axis
Horizontal axis
+ve axis
-ve axis
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Question # 12
The unit of co efficient of viscosity in S.I system
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Kg -1 ms-1
Kg m-1 s-1
kg -1 m-1
Kg ms-1
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Question # 13
The resultant of two vectors having magnitude 10 N and 8 N Can not be
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2 N
9 N
18 N
20 N
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Question # 14
In case the work done in zero.
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Constant pressure
Constant volume
Constant temperature
Constant mass
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Question # 15
The accepted value for speed of light in vacuum
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2.99 x 10
8
m - sec
-1
2.99 x 10
6
m - sec
-1
2.99 x 10
8
km - sec
-1
2.99 x 10
8
m - h
-1
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Question # 16
The law of conservation of mass gives.
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Beronoulli's
Venturi relation
Torricelli's theorem
Equation of continuity
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Question # 17
By increasing the amount of stretch in spring the force exerted will
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Increase
One watt
One erg
One joule
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Question # 18
If the slope of the velocity time graph remain constant then body is moving with.
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Uniform velocity
Negative variable acceleration
Variable acceleration
Uniform acceleration
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