if critical angle for material of prism is C and angle of prism is A then there will be no emergent ray when

a)A

b)A=2C

c)A>2C

d)A

The correct answer is c as it is the condition of total internal reflection... SO due to total internal reflection no rays will be emerged... Hope U like it

Y not other what is relation between Critical angle and A...pls explain y A>2c ....not other option i know wat is total intrnal reflection but cant link this question