WBCS.LIVE practice question

The number of rain gauges required per unit area to fairly reliable data on rainfall over an area is give

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Small where rainfall gradient is steep
  2. Large where rainfall gradient is steep
  3. Small for hilly areas
  4. Large for level terrain

Correct answer and explanation

Correct answer: Large where rainfall gradient is steep