In order to make efficient solar cooker, the cover of cooker box should be made of:
A. Transparent plastic sheet
B. Shining aluminium sheet
C. Butter paper sheet
D. Transparent glass
Answer:D
In order to make efficient solar cooker, the cover of cooker box should be made of:
A. Transparent plastic sheet B. Shining aluminium sheet C. Butter paper sheet D. Transparent glass