What is the angle of incidence when a ray of light is incident normally on a plane mirror?
A ray of light is incident normally on a plane mirror. What will be the : (a) angle of incidence ? (b) angle of reflection ?
What is the angle of reflection when a ray of light is incident normally on a plane mirror?
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?