3. Dimensional analysis can provide insight into Stefan-Boltzmann's law for the radiation from a black body. According to this law the intensity of radiation, in units of J s- m-, from a body at temperature Tis where a is Stefan-Boltzmann's constant. Because black-body radiation can be considered to be a gas of photons, i.e. quantum particles which move with velocity e with typical energies of the order of kT, the intensity Tis a function of h, c and kT. Use dimensional analysis to confirm that / is proportional to T* and find the dependence of a on h and c.
3. Dimensional analysis can provide insight into Stefan-Boltzmann's law for the radiation from a black body. According to this law the intensity of radiation, in units of J s- m-, from a body at temperature Tis where a is Stefan-Boltzmann's constant. Because black-body radiation can be considered to be a gas of photons, i.e. quantum particles which move with velocity e with typical energies of the order of kT, the intensity Tis a function of h, c and kT. Use dimensional analysis to confirm that / is proportional to T* and find the dependence of a on h and c.
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![3. Dimensional analysis can provide insight into Stefan-Boltzmann's law for
the radiation from a black body. According to this law the intensity of
radiation, in units of J s- m-, from a body at temperature Tis
where a is Stefan-Boltzmann's constant. Because black-body radiation
can be considered to be a gas of photons, i.e. quantum particles which
move with velocity e with typical energies of the order of kT, the intensity
Tis a function of h, c and kT. Use dimensional analysis to confirm that / is
proportional to T* and find the dependence of a on h and c.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc907edb8-1724-4679-bbe8-55d3bf38f98d%2F548d87cd-6f3c-43d8-b953-416b2fde8a22%2F2rb5rxo.jpeg&w=3840&q=75)
Transcribed Image Text:3. Dimensional analysis can provide insight into Stefan-Boltzmann's law for
the radiation from a black body. According to this law the intensity of
radiation, in units of J s- m-, from a body at temperature Tis
where a is Stefan-Boltzmann's constant. Because black-body radiation
can be considered to be a gas of photons, i.e. quantum particles which
move with velocity e with typical energies of the order of kT, the intensity
Tis a function of h, c and kT. Use dimensional analysis to confirm that / is
proportional to T* and find the dependence of a on h and c.
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