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A thin hollow prism is filled with a liquid.Angle of prism =60°, Angle of minimum deviation=30°.What is the refractive index of the liquid?I remember only 2 options -1) 1.412) 1.5..... (1.5 something)

A thin hollow prism is filled with a liquid.Angle of prism =60°, Angle of minimum deviation=30°.What is the refractive index of the liquid?I remember only 2 options -1) 1.412) 1.5..... (1.5 something)

Grade:11

1 Answers

Vikas TU
14149 Points
4 years ago
 
Edge of Prism(A) = 60o 
 
Edge of Deviation(D) = 30 
 
n – refractive list 
 
As we as a whole realize that 
 
n = (sin((A+D)/2))/sin(A/2)) 
 
n = (sin45/sin30) 
 
n = (1/√2)/(1/2) 
 
n =√2 

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