What is the difference between absolute refractive index of a medium and the relative refractive index of two mediums? What is the relation between them?
Asked by manishapatel43387
| 25th Nov, 2021,
07:37: PM
Expert Answer:
Absolute refractive index: When the light is going from vacuum to another medium, then the value of refractive index is called the absolute refractive index.
Relative refractive index: When the light goes from one medium ( other than vacuum or air) to another medium then that refractive index is called relative refractive index.
Note: Refractive index of vacuum or air is 1.
The relative refractive index of medium 2 with respect to medium 1 is given as,
= 
The absolute refractive index is given as,
Relation between absolute refractive index and relative refractive index can be wrtitten as
Absolute refractive index: When the light is going from vacuum to another medium, then the value of refractive index is called the absolute refractive index.
Relative refractive index: When the light goes from one medium ( other than vacuum or air) to another medium then that refractive index is called relative refractive index.
Note: Refractive index of vacuum or air is 1.
The relative refractive index of medium 2 with respect to medium 1 is given as,
=
The absolute refractive index is given as,
Relation between absolute refractive index and relative refractive index can be wrtitten as
Answered by Shiwani Sawant
| 26th Nov, 2021,
01:50: PM
Application Videos
Concept Videos
- How does the lateral displacement of light ray vary? on what factors it depends? directly proportional or inversely?
- what is total internal reflection? Under what conditions does it take place.
- Question: A ray of light travelling in air falls on the surface of a transparent glass slab at an angle of 60° with the normal to the surface. Find the angle made by the refracted ray with the normal within the glass slab. Refractive index of the glass slab is
.
- define the term dispersion of white light. name the colour of light which bends the most.
- 1.A student observes below phenomenon in the lab as a white light passes through a prism. Among many other colors, he observed the position of two colors: red and violet. (A)What is the phenomenon called? (B)What is the reason for violet light to bent more than the red light? (Ref to: image 1) 2 points Add File
- explain. why angle of incidence= Angle of emergence ?
- Why light rays do not bend or refract when they meet the glass slab perpendicularly? (Pls ans theoratically and dont say it is bcs i is 0)
- please explain refraction through glass slab
- explain why pool of water apper to be less dept then its actually is with diagram
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change