Question

The refractive index of the object is 1.6 of the object. What is the speed of light in that object.

Answer 1

Answer:

1875 x $10^{5}$ m/s

Explanation:

Refractive index = speed of light in vacuum ÷ speed of light in the                                  medium

Let the speed of light in the medium be x.

                           ⇒ 1.6 = $\frac{3 * 10^{8} }{x}$

                          ⇒  x = $\frac{3 * 10^{8} }{1.6}$

∴ x= 187500000

Answer 2

Answer:

1.874×10⁸ m/s is the ans