Exercise 10.1 Physics 12. Monochromatic light of wavelength 589 nm is incident from air on a water

ITT, JEEE, Ncert Physics Class 12 Exercise 10.1, Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of (a) reflected, and (b) refracted light? Refractive index of water is 1.33.