Question

Need solar light solar water heating system solar cooker

Answer 1

Answer:

Then go and buy all those things..

Answer 2

Answer:

1) solar light → It use the solar cells to recharge it's battery.

Solar light mainly used where facility of electricity is not available.

2) solar water → water is heated with the heat of sun. In this system water passses with a long black pipe And, a concave mirror is focused at that point. to give more heat.

3) solar cooker → it also use the heat energy of sun to cook food.

It also contains a concave mirror which focused is fixed at center of a box.

the interior of box is coted with black paint to observe more heat.

And, in last a plane mirror is also at a top, it protect the heat From sun to go out of box.

NOTE→ they all use the heat energy of sun to produce energy