When spherical mirror is held up facing the sun, sharp image of sun is formed on sheet of paper, causing sheet to catch fire. State the nature of spherical mirror and the point relative to the mirror at which sheet of paper is kept.
Answers
Answered by
3
Answer:
A lot of sun's heat rays are concentrated at the point of sun's image which burn the hole in carbon paper. A black carbon paper absorbs more heat rays and hence burns a hole more easily (than a white paper).
Similar questions