Question

Concave mirrors are used to make solar heating panels. Give reasons
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Answer 1

Answer:

The Sun is a distant object, so the rays coming from it are parallel to the principal axis and are incident on a concave mirror. Then after reflection, they converge to a single point. So, the heat is concentrated at that point which gives better results. Hence, concave mirrors are used in solar devices.

Answer 2

Step-by-step explanation:

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• The Sun is a distant object, so the rays coming from it are parallel to the principal axis and are incident on a concave mirror. Then after reflection, they converge to a single point. So, the heat is concentrated at that point which gives better results.

Hence, concave mirrors are used in solar devices.

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