Teaching Rajasthan 3rd Grade REET Mains (Level I & II) Mock Test Physics Electromagnetic Waves Reflection and Refraction
When a ray of light passes from an optically rarer medium to an optically danser medium, we have - (if i = angle of incidence and r = angle of refraction)
1. i < r
2. i = r
3. i > r
1
1
2
2
3
3
4
1 or 3