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Kirchoff's Law

Heating effec...

Question

Heating effect of the incoming solar radiation is maximum at local noon because

A

Atmospheric absorption is zero

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B

Suns rays travel through minimum air thickness

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C

Solar rays are vertical to the ground

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D

Outgoing radiation is minimum

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Solution

The correct option is B Suns rays travel through minimum air thickness
This is a knowledge based question; if sunlight is directly overhead, it has to cover minimum air thickness and attenuation is least and hence, heating effect is maximum.

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