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Of 100 units of insolation, roughly how many are reflected back to space before reaching the surface?
A51
B14
C35
D65
Answer & Solution
Correct answer: C. 35
1. 27 units bounce off cloud tops.
2. About 35 units are reflected in all.
3. 2 units reflect from snow and ice.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 9, Solar Radiation, Heat Balance and Temperature._
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