What kind of surface reflects light?

The periscope is an optical device with a polished surface that reflects the light falling on it.

The _____ is an optical device with a polished surface that reflects the light ralling on ot.

Why do we need a shiny surface for reflection?

___________________ surface reflects the light well

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

What is reflection of light?

What is simultaneous reflection?

Light of wavelength 5000Å 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?

If all object around us were to reflect light in a reguler way,what problem might we face?