railway RRB Technician Grade 3 Mock Test 2024 Physics Electromagnetic Waves Polarization by Reflection
The refractive indices of dense flint glass and water are 1.65 and 1.33, respectively. A ray of light passes from dense flint glass to water. The refractive index of water with respect to dense flint glass is ______ and the ray bends _______ the normal in water.
1
0.81, away from
2
1.24 away from
3
0.81, towards
4
1.24, towards