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CBSE Class 10 Answered

does convex lense focus heat waves also?
Asked by subhash chand | 02 Mar, 2011, 12:00: AM
answered-by-expert Expert Answer
Dear student
Yes.
That is the reason why one can burn paper using convex lens by letting it face the sunlight pass through it.The infra red/heat producing radiations pass through the lens, converge at its focus & if a piece of paper is placed at its focus, it will burn.
 
Regards
Team
Topperlearning
 
Answered by | 02 Mar, 2011, 10:14: PM

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