The angle of minimum deviation for a 600 glass prism is 390 . Calculate the refractive index of glass.
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Answer:
The refractive index of glass is 1.52
Explanation:
given :
angle of minimum deviation = dm=39°
angle of prism = 60°
refractive index of prism= n=?
n= sin (A+dm)/2/ sin A/2
=sin (60+39)/2 / sin 60/2
= sin (99/2) / sin30
=sin 49.5/0.5
=0.76/0.5
=1.52
∴ the refractive index of glass is 1.52
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