Question

For an equilateral prism, it is observed that when a ray strikes grazing at one face it emerges grazing at the other. Then its refractive index​

Answer 1

Answer:

For an equilateral prism, it is observed that when a ray strikes grazingly at one face it emerges grazingly at the other. Its refractive index will be :

(a) √3/2

(b) 2/√3

(c) 2

(d) Data not sufficient

Answer 2

Answer:

refractive index​ is 2