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Why is the Copper Tube of a Solar Water Heater Painted Black from Outside? - Science

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Question

Why is the copper tube of a solar water heater painted black from outside? 

Solution

The copper tube of a solar water heater is painted black from outside so as to collect as much the sun's heat as possible, because a black surface absorbs more heat than a white surface.

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APPEARS IN

 Lakhmir Singh Solution for Physics for Class 10 (2018 (Latest))
Chapter 3: Sources of Energy
Q: 7 | Page no. 140
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Solution Why is the Copper Tube of a Solar Water Heater Painted Black from Outside? Concept: Alternative or Non-conventional Sources of Energy - Solar Energy.
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