The amount of solar energy per square meter atop the atmosphere at right angles to the Sun's rays is about
A)700 joules.
B)1000 joules.
C)1400 joules.
D)much more than 1400 joules.

Question

Quizplus · Accepted Answer

The amount of solar energy per square meter atop the atmosphere at right angles to the Sun's rays is about 1400 joules, often referred to as the solar constant.

The Amount of Solar Energy Per Square Meter Atop the Atmosphere