Question

The reactive inde of glass 1.5 what is the meaning of this statment​

Answer 1

Answer:

Refractive index of glass is 1.5 .This means that the speed of light in glass is 1.5 times slower than the speed of light in vacuum.. Hope it helps!! This statement means that the refractive ability or index of glass is only 1.5. Still have questions?

Explanation:

Answer 2

Answer:

The statement simply means that the speed of light in glass will be 1/1.5 = 2/3 times than it's speed in vacuum.

Explanation:

Refractive index = $\\\tt \mu = \dfrac{3 \times 10^{8}}{Speed \ of \ light \ in \ glass }$