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Fermat's principle. (in Hindi)
Lesson 10 of 13 • 1 upvotes • 8:12mins
Shubham Kumar
Fermat's principle and introduce to spherical mirrors. How and why light always takes the shortest path possible.
(Hindi)Basics of Waves and Geometric Optics.
13 lessons • 1h 55m
1
Wave, wavelength, frequency, amplitude, crest and trough. (in Hindi)
11:28mins
2
Longitudinal and transverse waves. (in Hindi)
8:01mins
3
Light and electromagnetic spectrum. (in Hindi)
10:08mins
4
Different types of waves. (in Hindi)
10:04mins
5
Introduction to Sound waves. (in Hindi)
9:15mins
6
Ultrasound and SONAR.(in Hindi)
8:06mins
7
Relationship between frequency, wavelength and speed of the wave. (in Hindi)
8:08mins
8
Reflection and refraction.(in Hindi)
9:02mins
9
Image formation by a plane mirror and magnification.(in Hindi)
8:01mins
10
Fermat's principle. (in Hindi)
8:12mins
11
Concave mirrors and their use.(in Hindi)
8:24mins
12
Different types of images formed by spherical mirrors (in Hindi).
8:10mins
13
Refractive index and critical angle (in Hindi).
8:52mins
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