give reason for why concave mirror are used as reflectors that hold the bulb of torch
Answers
Answered by
6
In torches, search lights and headlights of vehicles, the bulb is placed very near to the focus of thereflector (or concave mirror). It is due the reason that light rays after falling on reflecting surface become parallel to the principal axis of the mirror, and a concentrated beam of light is obtained
Answered by
0
Concave mirror are used in torches,vehicles headlights,search lights to get a powerful beam of light this is because
Similar questions