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11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
the height of the geostationary satellite above the equator is.
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35000 km
36000 km
34000 km
33000 km
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Question # 2
If the time period of simple pendulum is 2 seconds its frequency will be.
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1 Hz
0.5 Hz
1.5 Hz
2 Hz
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Question # 3
The speed of sound increases with the increase of in
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Pressure
Volume
Temperature
Density
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Question # 4
Stars moving away from Earth show a
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Green shift
Blue shift
Red shift
Yellow shift
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Question # 5
The value of angular momentum is maximum when 0 is
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90
o
60
o
75
o
45
o
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Question # 6
The ability of reveal the minor details of an object under examination is called.
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Resolving power
Magnification
Scattering
Reflection
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Question # 7
When the rocket moves away from the earth, the work against gravity
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Remains constant
Varies directly with distance
Varies inversely with distance
Varies inversely with square of distance
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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
If the stream lines of fluid are forced closer together then.
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Speed of the fluid increases
Speed of the fluid decreases
Pressure of the fluid increases
Speed of the fluid remain same
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Question # 10
When two identical travelling waves are superimposed, velocity of resultant wave.
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Decreases
Increases
Remain same
Becomes zero
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Question # 11
Which phenomenon of light proves that light waves are transverse in nature.
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Refraction
Reflection
Diffraction
Polarization
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Question # 12
The unit of rotational K.E. is
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rAD/SEC
Js
J
Kgm2
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Question # 13
The angle between x-axis, y-axis and z-axis is
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45°
60°
75°
90°
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Question # 14
The entropy of the universe with passage of time is.
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Increases
Decreases
Remain constant
Increases and decreases
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Question # 15
If the object is at 5 cm from the lens of simple microscope than its magnifying power will be.
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5
10
15
25
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Question # 16
When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is.
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5000 m
50000 A
o
500 cm
2000 A
o
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Question # 17
The optical fiber is covered for protection by a
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Glass Jacket
Plastic Jacket
Copper Jacket
Aluminum Jacket
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Question # 18
A phenomenon by which energy is dissipated from the oscillating system is called.
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Forced oscillation
Free oscillation
Damping
Simple harmonic motion
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