Name the type of mirrors used in the design of solar furnaces. Explain how high temperature is achieved by this device.(All India - 2016)
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Concave Mirror
cesium is used in in solar cell
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Concave mirrors are used for the design of solar furnaces because they are converging mirrors. When a solar furnace is placed at the focus of a large concave mirror, it focuses a parallel beam of light on the furnace. Thus, a high temperature is achieved after a few minutes.
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