Multiple choice

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

  1. atmospheric absorption is nil

  2. sun rays travel through minimum air thickness

  3. solar rays are vertical to the ground

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

At local noon, the sun is at its highest point in the sky, meaning the rays travel through the shortest possible path of the Earth's atmosphere. This minimizes the energy lost to atmospheric absorption and scattering before reaching the ground.

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