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WBCS Main Examination 2023 — Paper IV: General Studies II · Question 109 of 200

Q109
General ScienceEnvironment & Ecology
The least albedo is noted in case of
  1. a.Soil
  2. b.Snow
  3. c.Asphalt
  4. d.Forest

Answer: (C) Asphalt

Fresh asphalt reflects only about 4–12% of sunlight, the lowest albedo among these surfaces. Forests reflect slightly more, bare soil more still, and fresh snow reflects up to about 90%.

Q108 Whole paperQ110