Glass plate of refractive index 1.5 at an angle of refraction 60 degree it appears dark by reflection
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according to snell's law, sin
i/sinr
= µ..(1)
where ,i is angle of incidence, r is angle of refraction, µ is refractive index..
from(1),
1.5=sini/sin60
1.5x√3/2=sini
sini=1.299
i=sin^-1(1.299)
i=some value u seen ur log book
then i+r=90==>r=90-i
is the way...
where ,i is angle of incidence, r is angle of refraction, µ is refractive index..
from(1),
1.5=sini/sin60
1.5x√3/2=sini
sini=1.299
i=sin^-1(1.299)
i=some value u seen ur log book
then i+r=90==>r=90-i
is the way...
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