A metallic sphere A of radius 'R' is completely enclosed by a metallic spherical shell 'B' (made up of same material) of inner radius '2R' and outer radius '4R'. Outer surface of B is highly polished and is perfectly reflecting. Inner surface of 'B' and outer surface of 'A' behave like black bodies. Initially A is emitting radiations of maximum intensity near wavelength A and B is emitting radiations of maximum intensity near wavelength 6% . After sufficiently long time, both will emit radiations of maximum intensity corresponding 19X E2. Find X. 31 to wavelength
A metallic sphere A of radius 'R' is completely enclosed by a metallic spherical shell 'B' (made up of same material) of inner radius '2R' and outer radius '4R'. Outer surface of B is highly polished and is perfectly reflecting. Inner surface of 'B' and outer surface of 'A' behave like black bodies. Initially A is emitting radiations of maximum intensity near wavelength A and B is emitting radiations of maximum intensity near wavelength 6% . After sufficiently long time, both will emit radiations of maximum intensity corresponding 19X E2. Find X. 31 to wavelength
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Transcribed Image Text:A metallic sphere A of radius 'R' is completely enclosed by a metallic spherical shell 'B'
(made up of same material) of inner radius '2R' and outer radius '4R'. Outer surface of B is
highly polished and is perfectly reflecting. Inner surface of 'B' and outer surface of 'A'
behave like black bodies. Initially A is emitting radiations of maximum intensity near
wavelength 2 and B is emitting radiations of maximum intensity near wavelength 62.
After sufficiently long time, both will emit radiations of maximum intensity corresponding
5.
19X
E2. Find X.
31
to wavelength
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