Question : To study the structure and working of a solar cooker and/or water heater. Activity is done for understanding how the solar equipments are insulated and how does maximum heat absorption is ensured. Property :A black surface absorbs more heat. Structure : rarr It consists of an insulated metal box or a wooden box which is painted black from inside. rarr The box has a thick glass sheet as a cover over the box. rarr A plane or concave mirror is attached to the box that acts as a reflector. rarr Mirror focuses the rays of the sun into the box. Why is a glass sheet used ?

Question : To study the structure and working of a solar cooker and/or

1.	Question : To study the structure and working of a solar cooker and/or water heater. Activity is done for understanding how the solar equipments are insulated and how does maximum heat absorption is ensured. Property :A black surface absorbs more heat. Structure : rarr It consists of an insulated metal box or a wooden box which is painted black from inside. rarr The box has a thick glass sheet as a cover over the box. rarr A plane or concave mirror is attached to the box that acts as a reflector. rarr Mirror focuses the rays of the sun into the box. Why is a glass sheet used ?
Answer» SOLUTION :A glass SHEET is USED to creates GREENHOUSE effect.