Physics · Thermodynamics and Radiation
The solar constant is defined as the amount of incoming solar electromagnetic radiation measured per unit area perpendicular to the rays, primarily representing:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Shortwave radiation absorbed specifically by atmospheric water vapor
- 2Longwave infrared radiation emitted back into space by Earth
- 3Solar energy received at the outer boundary of the atmosphere at Earth's mean distance from the Sun✓
- 4Total solar radiation received at Earth's surface after atmospheric attenuation
Correct answer
Solar energy received at the outer boundary of the atmosphere at Earth's mean distance from the Sun
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