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Online Tests
Physics Fsc Part 1 Chapter 10 Online Test MCQs With Answers
Question # 1
The magnifying power is also called
Choose an answer
Resolving power
Angular magnification
Strength of eye
None of these
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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
More details of an object can be seen with a microscope by using
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Green light
Red light
Yellow light
Blue light
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Question # 4
Critical angle is that incident angle in denser medium for which angle of refraction is.
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0
o
45
o
90
o
120
o
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Question # 5
The Detector in Photo phone is made up of.
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Cadmium
Germanium
Selenium
Silicon
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Question # 6
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 # 7
The final image formed by a simple microscope.
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Virtual and inverted
Real and erected
Virtual and erected
Real and inverted
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Question # 8
The location of near point changes with
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Age
Size of the eye
Sharpness of the eye
None of these
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Question # 9
The minimum distance from eye at which an object appears to be distinct is
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Near point
Focal length
Image distance from lens
Object distance from lens
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Question # 10
A convex lens can be used as
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Simple microscope
Compound microscope
Telescope
Spectrometer
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Question # 11
Total confined light is obtained by
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Total internal reflection
Refraction of light
Diffraction
Polarization
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Question # 12
The light signal in Opticla fiber must be regenerated by advice called.
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Regenerator
Generator
Repeater
Diode
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Question # 13
Reapters are placed in new system at distance of.
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30 km
50 km
80 km
100 km
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Question # 14
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 # 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 types of optical fibres are
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Three
Four
Five
Six
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Question # 17
the final image obtained by astronomical telescope is.
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Erect
Virtual
Magnified
All of these
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