Question

The refractive index of medium X w.r.t. medium Y is NXY = 1.9, then NYX will be

(a) 0.53

(b) 0.52

(c) 0.62

(d) 0.61


​

Answer 1

Answer:

sorry sis i don't understand your question ❤❤❤❤❤❤❤❤❤