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  9. Q8

MPSC State Service 2018 · GS · Question 8 of 99

Identify the correct statements from the following: Statement ‘A’: The weight of water vapour per unit volume of air in specific temperature is called relative humidity. Statement ‘B’: Specific humidity is the ratio of air water vapour content to its water vapour capacity at a given temperature.

Geography

  1. AStatements ‘A’ and ‘B’ both are correct
  2. BStatements ‘A’ and ‘B’ both are incorrectCorrect
  3. CStatement ‘A’ is correct but statement ‘B’ is incorrect
  4. DStatement ‘A’ is incorrect but statement ‘B’ is correct

Answer: B. Statements ‘A’ and ‘B’ both are incorrect

Explanation

Both statements are incorrect: relative humidity is the ratio of actual to saturation vapour content, while specific humidity is the mass of vapour per unit mass of air — so both A and B are wrong.

Source: MPSC Rajyaseva Prelims 2018 GS Paper I (official paper)

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