Question

How to make water heater with the help of endosperical mirror

Answer 1

Answer:

Answer: Using a concave mirror that directs the sun's heat into a test tube with water, we can accurately measure the heat with the included thermometer. ... the parallel rays of the sun arriving at the concave mirror will get reflected and come to meet at the focus which is at R/2 of the mirror.

Answer 2

Answer:

Using a concave mirror that directs the sun's heat into a test tube with water, we can accurately measure the heat with the included thermometer. The parallel rays of the sun arriving at the concave mirror will get reflected and come to meet at the focus which is at R/2 of the mirror.