CBSE Class 10 Science 2016 Term II Outside Delhi Set 1

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Question : 4
Total: 36
Name the type of mirrors used in the design of solar furnaces. Explain how high temperature is achieved by this device.
Solution:  
Concave mirror. They are the only type of mirror that reflects light towards a single focal point. When a solar furnace is placed at the focus of a large concave mirror called reflectors, it focuses a parallel beam of light coming from the sun on the furnace.
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