A plane wave front of light is incident on a plane mirror. Intensity is maximum at P when

A point source of light is placed in front of a plane mirror.

A point source of light is placed in front of a plane mirror.

A point source of light is placed in front of a plane mirror.

A ray of light is incident at an angle of 35^@ on a plane mirror. What is angle theta ?

A plane wave front of wavelength lamda is incident on a single slite of width b. What is the angular width for secondary maximum ?

What happens to a light ray that is incident on a plane mirror normally?

Two plane wave fronts of light, one incident on a thin convex lens and another on there fraction face of a thin prism. After refraction at them, the emerging wave fronts respectively become

A plane wave front of wavelength lambda is incident on a single slit of width b . The angular width for secondary maximum is