Question

The range of temperature in thermosphere is ________

(a) 200-500°C

(b) 200-1000°C

(c) 200-2000°C

(d) 200-700°C

The question was asked in an international level competition.

My question is taken from Vertical Development of Air in portion Atmosphere and Air Data Measurement of Aircraft Performance

Answer 1

The correct choice is (c) 200-2000°C

The best I can explain: The range of temperature in thermosphere is 200-2000°C. The temperature varies from day and night, during night its 200°C and during day it’s 200°C. The upper thermosphere extends up to a temperature of 2000°C.