Within the troposphere (the atmospheric layer where weather occurs), how is the temperature 't' in °C at an altitude 'h' meters above sea level calculated, given that the temperature at sea level is 15°C?

Chemical Environmental Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Chemical Environmental Engineeringchemical-engineering › chemical-environmental-engineering-chemical-engineering
Published
11 Mar 2019
Last updated
28 May 2026

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Explanation

The temperature in the troposphere decreases with altitude at a standard lapse rate of 0.0065°C per meter. Starting from 15°C at sea level, the temperature at height 'h' is given by t = 15 - 0.0065h. Other options incorrectly add or use different lapse rates.

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