Question 23
WeatherWhat is the temperature around an aeroplane flying at an altitude of 4000 metres if the temperature on the earth surface is 40°C?
- A.12°C
- B.14°C
- C.26°C
- D.66°C
Show the answer and explanation
Answer: B (14°C)
Explanation
Temperature falls 6.5°C per 1,000 m: 4 × 6.5 = 26°C; 40 − 26 = 14°C.