Question

♡ Light entors from air to diamond having are fractive index 2.42
What is speed of light in the diamond. The speed of light in Vaccum 3×10power8​

PL answer fast guys I am so confused

Answer 1

Answer:

1.23×10^8

Explanation:

refractive index(n) = speed of light in vaccum(c) / speed of light in medium(v)

so,

2.42 = 3×10^8 / v

v = 3×10^8 / 2.42 = 1.23 ×10^8