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Why concave mirror used as a …

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Why concave mirror used as a light collector in satellites?Explain
  • 1 answers

Preeti Dabral 4 years, 3 months ago

The concave mirror in a reflecting mirror collects the light from distant celestial objects. Since the light sources are very far away, the incoming light rays are effectively parallel. The concave mirror focuses the light rays on a flat mirror, kept at its focal distance.

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