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Q.

In summers can we place concave lens in between sun n earth for cooling

Tags: science, environment, religion & spirituality
Asked by Ashok Sawlani, 13 Apr 05:31 pm
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Answers (2)

 
1.

Better use convex lens and utilize the solar energy everywhere
Answered by PARTHA PATHAK, 13 Apr 07:36 pm

 
  
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2.

Instead why do n't u install a curtain between earth & sun.
Answered by MAdhavan Avadhany, 13 Apr 05:35 pm

 
  
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