1. Which part of the solar cooker is responsible for green house effect? (a) Coating with black colour inside the box (b) Mirror (c) Glass sheet Outer cover of the solar cooker

• Soln:

Answer is (c) Glass sheet

Explanation:

Green house effect is due the trapping of heat by the atmosphere. Heat is produced is due to presence of green house gases like CO2, SO2. In Solar cooker same thing happens. Solar energy trapped is reflected by the glass sheet which make the food cook.