What is the unit of the refractive index?

No unit

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Kilogram

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Metre

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Seconds

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A No unit
Refractive index is the ratio of speeds of light in the first medium. It is also defined as the ratio of the sine of angle of incidence and the sine of angle of refraction.
Hence, it is unitless.

Suggest Corrections

Similar questions

What is the difference between absolute refractive index and relative refractive index

Join BYJU'S Learning Program