Waec Model Questions Vol1 2019 Geography Question 19

Practice objective / multiple choice question 19 from the 2019 Waec Model Questions Vol1 Geography examination.

Waec Model Questions Vol1 2019 Geography Objective / Multiple Choice Medium Difficulty
Question 19 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • GEOGRAPHY • objective

At 0900 h in City A the temperature is 30°C and the dew‑point temperature is 22°C. Atmospheric pressure is 1012 hPa. (a) Determine the relative humidity using RH = 100 × (e / e_s) where e = 6.112 exp[(17.67 Td)/(Td+243.5)] and e_s = 6.112 exp[(17.67 T)/(T+243.5)], with T and Td in °C. (b) If the temperature rises to 35°C while the dew‑point remains 22°C, what is the new relative humidity? Give answers to the nearest whole percent.

Answer Options

A. 60 % at 30°C; 45 % at 35°C
B. 58 % at 30°C; 42 % at 35°C
C. 65 % at 30°C; 50 % at 35°C
Correct Answer D. 62 % at 30°C; 47 % at 35°C
Correct Answer
D
Correct Option:
62 % at 30°C; 47 % at 35°C

About This Question

This is Waec Model Questions Vol1 2019 Geography Question 19. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Geography examination.

Difficulty level: Medium .

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