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- A rectangular metal plate measures 0.16 m long and 0.9 m wide. The plate is heated to a temperature of 2,033 K by passing a current through it. Assuming that it behaves like a blackbody, how much power does the plate radiate under these conditions?A black body radiates energy, the highest intensity radiation is at a wavelength of 164 nm. What is the temperature of the body? Please give your answer in Kelvin.A blackbody radiator in the shape of a sphere has a surface area of 15 ^ 2 * m . if it has a temperature of 1200 K how much energy does it emit per second?
- A square metal plate with a side 0.4m is heated to a temperature of 2000k by passing a current through it. Assuming that it behaves like a blackbody, how much power does the plate radiate under these conditions?The thermal (black-body) radiation from a star peaks at a wavelength of 300 nm. What is the surface temperature of the star in K?An infrared satellite measures outgoing radiation that leaves Earth's surface through an atmospheric window. The observed spectral irradiance at a wavelength of 10 μm is 2.199×107 W m-2 m-1. What is the temperature of the surface? Give your answer in K.
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