Teaching MPPSC Assistant Professor Mock Test Series 2025 Physics Electromagnetic Waves Polarization by Reflection
Blue light travelling in vacuum has a wavelength of 450 nm. It enters a medium whose refractive index is 1.5. What is its frequency in the medium?
(Speed of light in vacuum = 3 × 108 m/s)
1
6.67 × 1014 Hz
2
1015 Hz
3
4.45 × 1014 Hz
4
1014 Hz