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- b. | Compare the average positions of the electron for H and He*.At temperature T a body emits its most intense radiation at a wavelength of 5.6 μm.What is the wavelength of the most intense radiation emitted by the same body attemperature 4T?Question A7 The intensity of the emitted radiation by a star is at a maximum at a wavelength of 78.9 nm. a) Calculate the surface temperature of the star. b) Calculate the ratio of the intensity radiated at 65.0 nm to the maximum intensity. Assume that the star radiates like an ideal blackbody.
- A copper cylinder with a temperature of 287 K is found to emit 169 J of energy each second. If the cylinder radiates like a blackbody, what is its surface area? |m²The blackbody radiation emitted from a furnace peaks at a wavelength of 2.5 10-6 m (0.0000025 m). What is the temperature inside the furnace? answer ... KThe blackbody radiation emitted from a furnace peaks at a wavelength of 3.5 x 10-6 m (0.0000035 m). What is the temperature inside the furnace? K.
- 35. A certain cavity has a temperature of 1150 K. (a) At what wavelength will the intensity of the radiation inside the cavity have its maximum value? (b) As a fraction of the maximum intensity, what is the intensity at twice the wavelength found in part (a)? 41. 42. ЕDetermine the energy of a 891 nm photon in eV. Express your answer in three decimal places.Ex / find the wave length make of emission Radiation from. a -Human body when the skin temperature is equal to 35°. b-The tungsten light at 2000 K. c -The sun at 5800 K. [Hint use ( AmT =cons tant = 2.898 x 10 m.K max