High School Physics + more

# Refractive Index

## Real and Apparent depth Numerical problem – solved

Let’s solve a numerical based on real depth, apparent depth, and refractive index. Also, you will get to know about the RI formula to be used to solve this. Real and Apparent depth Numerical problem – with solution Question 1] A crane flying 6 m above a still, clear water lake sees a fish underwater. […]

## Prove that Refractive index = Real depth/apparent depth

In this post, we will prove mathematically that Refractive index = Real depth/apparent depth. As an Illustration of refraction: 1) When seen from outside, the bottom of a water body appears to be raised. This is due to refraction at the plane surface of the water. In this case, the Refractive index of water n […]

## Refraction of Light: how does it depend on Optical Density of mediums?

Refraction of light is a phenomenon where light bends while moving from one medium to another, right at the surface separating these two mediums. Because of this when a pencil is dipped in a glass of water, it seems to be bent just at the surface separating the water in the glass and the air […]

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