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# What is the value of index of refraction?

## What is the value of index of refraction?

The vacuum has a refractive index of 1. The refractive index of other materials can be calculated from the above equation. Higher the refractive index, the higher the optical density and slower is the speed of light….Refractive Index Formula.

Material Refractive Index
Air 1.0003
Water 1.333
Diamond 2.417
Ice 1.31

What are the properties of refractive index?

Refractive index is a material property that describes how the material affects the speed of light travelling through it. Refractive index is usually represented by the symbol n, or sometimes μ . where c is the speed of light in a vacuum and v the speed of light in the material.

### What is a material’s index of refraction?

Definition. Refractive Index is the speed of light in air divided by the speed of light passing through any material. Said another way, Refractive Index describes the degree to which light rays are bent as they pass from one material to another.

What is unit of refractive index?

Refractive index of a medium is the ratio of the speed of light in vacuum to the speed of light in the medium. Therefore, it has no units.

## What is the minimum and maximum value of refractive index?

The refractive index depends on the nature of the material of the medium and on the wavelength of the light used. Refractive index of (diamond 2.42) is maximum while the refractive index of air (air 1.0003) is minimum…

What are the applications of refractive index?

The refractive index is used to measure solids, liquids, and gases. Most commonly it is used to measure the concentration of a solute in an aqueous solution. It can also be used as a useful tool to differentiate between different types of gemstone, due to the unique chatoyance each individual stone displays.

### What is the smallest index of refraction?

Air has the lowest refractive index, but it isn’t mechanically stable. And the lowest refractive index found in solid, naturally occurring materials is 1.39. But now researchers have developed a film made of aluminum oxide that has a refractive index as low as 1.025 but that is mechanically stiff.

What are the two types of refractive index?

The refractive index is of two types:

• Absolute Refractive Index.
• Relative Refractive Index.

## What is unit of magnification and refractive index?

Magnification is a ratio of lengths, hence it has no units.

What is unit of power of lens?

Power of a lens is measured in dioptre.