Physics, 27.07.2019 00:30 bunbun2913
Given that the flux of solar radiation incident at the earth (toa) is 1360 wm-2, use the solid angle subtended by the sun as viewed from earth (0.68 steradians) to calculate the intensity of the solar radiation. knowing that the intensity of radiation does not change with distance after it is emitted by the sun, use the intensity value that you just calculated to calculate an emitting temperature that the sun would have to be at in order to radiate energy having this intensity if it were a blackbody. recall that blackbody radiation is isotropic!
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Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.
Answers: 2
Given that the flux of solar radiation incident at the earth (toa) is 1360 wm-2, use the solid angle...
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