Electromagnetic Waves · NEET Preparation Physics
If the earth were without an atmosphere, what would be the average temperature of its surface?
Practice question from Electromagnetic Waves (NEET Preparation Physics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-18AF65
If the earth were without an atmosphere, what would be the average temperature of its surface?
- A.Higher than the present temperature
- B.Same as the present temperature
- C.Lower than the present temperatureCorrect answer
- D.0 degrees Celsius
Solution
Greenhouse gases in the atmosphere absorb infrared radiation emitted by the earth and radiate it back, keeping the earth warm. Without an atmosphere, greenhouse warming would be absent, leading to a much lower average surface temperature.
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