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Insolation at the surface is about 320 W per sq m in the tropics and about how much at the poles?
A70
B170
C270
D370
Answer & Solution
Correct answer: A. 70
1. It falls with latitude.
2. The poles get about 70 W per sq m.
3. Continents get more than oceans at the same latitude.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 9, Solar Radiation, Heat Balance and Temperature._
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