nursing AIIMS BSc Nursing 2025 Mock Test Series Physics Electromagnetic Waves Polarization by Reflection
A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water when both are traversed by the same monochromatic light. If the refractive index of water is 4/3, what is that of glass?
1
5/3
2
5/4
3
16/15
4
1.5