2 Answers

Glenn Sonna · Answer 1 · 2019-06-24T07:50:28+0000

A concave mirror is used in the design of solar furnaces because they converge the parallel sunrays at a point. This helps to increase the temperature of the furnace.

Mkorszun · Answer 2 · 2019-06-27T07:08:35+0000

Answer:

Because "a concave mirror converge the parallel sun rays at a point, so high temperature is achieved"

Example:

It is used in the design of solar furnaces, because they converge the parallel sun rays at a point. This helps to increase the temperature of the furnace.

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