Why is the sun very hot than any other hot body and how does it continously emit solar energy? Justify.

99 What are the limitations of harnessing wind energy? Where is the largest wind energy farm in India? 100 Draw a neat diagram of the box type solar cooker. Label it and explain the function of each part. 102 Give the purpose of mirror and glass sheet in solar cooker. 103 Why are solar cells not used effectively?