Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of
reflected?

Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of reflected?

Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of- refracted light. Refractive index of water is 1.33

Light of wavelength 5000 Å falls on a plane reflecting surface. What are the wavelength and frequency of the reflected light? For what angle of incidence is the reflected ray normal to the incident ray?

How are the wavelength and frequency of a sound wave related to its speed ?

A bat emits ultrasonic sound of frequency 1000 kHz in air. If the sound meets a water surface, what isthe wavelength of the reflected sound the reflected sound.

Monochromatic light of wavelength 632.8 nm is produced by a helium-neon laser. The power emitted is 9.42 mW. Find the energy and momentum of each photon in the light beams.