state gov TNPSC Group 2/2A (தமிழ்நாடு) Mock Test 2024 General Knowledge Science Technology and Inventions
Optical fibre is at the heart of the modern optical fibre communications system. Which of the following laws play an important role in the propagation of light through the optical fibre?
1
The principle of least action
2
Snell's Law
3
Raman effect
4
Law of reflection