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Encyclopedia of General Science for General Competitions
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Chapter 1 - Physics
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Assessment
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Q 299
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UPSC CAPF AC Paper - I
IMPORTANT
Earn 100
Fibre optics cable used in communication, works on the principle of:
(a)
Regular reflection of light
(b)
Diffuse reflection of light
(c)
Refraction of light
(d)
Total internal reflection of light
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Important Questions on Physics
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Encyclopedia of General Science for General Competitions
>
Chapter 1 - Physics
>
Assessment
>
Q 300
Communication satellites are used to :
