Class 12(Ray Optics) Lect- 23, Example of Total Internal Reflection, Field of View, Mirage in Desert

In this video, the following points have been explained under Chapter 9 Ray optics and optical instruments of class 12,
1) Examples of Total internal reflection.
A) Field of vision of fish, expression.
B) Shining of an empty test tube immersed in water.
C) Shining of the crack lying in the glass.
D) Shining of a lampblack coated ball, immersed in water.
A) Mirage in the desert.
F) Looming of Water in cold places.
C) Brilliance of diamond.

    When a light ray enters a sparse medium by moving through a dense medium, the incident ray returns to its initial medium when the value of the incidence angle exceeds the critical angle. This is called the complete internal reflection of light.
 
   Therefore, in this video, the examples seen in daily life based on the Total internal reflection of light are explained in the simplest terms.

Previous lecture of this chapter.

1)Ray optics lecture 01

2)Ray optics lecture 02

3)Ray optics lecture 03

4)Ray optics lecture 04

5)Ray optics lecture 05

6)Ray optics lecture 06

7) Ray optics lecture 07

8) Ray optics lecture 08

9) Ray optics lecture 09

10) Ray optics lecture 10
11) Ray optics lecture 11
12) Ray optics lecture 12
13 ) Ray optics lecture 13
14) Ray optics lecture 14
15 ) Ray optics lecture 15
16) Ray optics lecture 16
17) Ray Optics lecture 17
18) Ray Optics Lecture18
19) Ray Optics Lecture 19
20) Ray Optics Lecture 20
21) Ray optics lecture 21
22)Ray Optics lecture 22

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