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WAEC Geography 2023 Papers
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© africaexams.com
Question : 32
Total: 49
What is the temperature around an aeroplane flying at an altitude of 4000 metres if the temperature on the earth surface is 40 °C?
26 °C
66 °C
14 °C
12 °C
Validate
Solution:
Initial temperature = 40°C
Final temperature = ?
According to lapse rate
1000m ascent = 6.5°C decrease in temp.
4000m =x
4000 = 6.5 x 4=26.0°C
Final temp. = (40° -26°)C=14°C
© africaexams.com
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