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Questions and Answers
What is the main purpose of the Wien's Radiation Formula?
What is the main purpose of the Wien's Radiation Formula?
- To calculate the speed of light in the medium of black body
- To explain the observed spectral distribution of a black body radiation (correct)
- To determine the total energy emitted by a black body
- To describe the behavior of black holes
Why does the Wien's Radiation Formula have limitations?
Why does the Wien's Radiation Formula have limitations?
- It is not based on classical physics
- It does not account for energy density
- It is only applicable at low wavelengths (correct)
- It fails to consider temperature effects
What did Rayleigh and Jean apply to electromagnetic black body radiation?
What did Rayleigh and Jean apply to electromagnetic black body radiation?
- Classical law of equipartition of energy (correct)
- Quantum mechanical principles
- Einstein's theory of relativity
- Newton's second law of motion
What phenomena does Quantum Mechanics aim to explain?
What phenomena does Quantum Mechanics aim to explain?
What were the attempts made on the basis of classical physics in explaining black body radiation?
What were the attempts made on the basis of classical physics in explaining black body radiation?
Why were the theoretical explanations based on classical physics not very successful in explaining black body radiation?
Why were the theoretical explanations based on classical physics not very successful in explaining black body radiation?
Who is credited with the discovery of energy quanta and won the Nobel Prize in Physics in 1918?
Who is credited with the discovery of energy quanta and won the Nobel Prize in Physics in 1918?
What is the name of the law that states the energy density of black body radiation is inversely proportional to the fourth power of wavelength?
What is the name of the law that states the energy density of black body radiation is inversely proportional to the fourth power of wavelength?
What contradiction was known as 'Ultraviolet Catastrophe'?
What contradiction was known as 'Ultraviolet Catastrophe'?
Who explained the Rutherford model by Old Quantum Theory of atom?
Who explained the Rutherford model by Old Quantum Theory of atom?
What is the name of the German theoretical physicist known for his role as the originator of quantum theory?
What is the name of the German theoretical physicist known for his role as the originator of quantum theory?
According to Rutherford, what did classical theory of electromagnetic radiation suggest about the stability of an atom?
According to Rutherford, what did classical theory of electromagnetic radiation suggest about the stability of an atom?
What phenomenon did the failure of Rayleigh-Jeans formula give the first indication of?
What phenomenon did the failure of Rayleigh-Jeans formula give the first indication of?
What is the name given to the contradiction where the energy spectrum graph agreed for long wavelengths but went towards infinity at the shorter wavelength end?
What is the name given to the contradiction where the energy spectrum graph agreed for long wavelengths but went towards infinity at the shorter wavelength end?
What did Planck's Radiation Law address inadequacies in?
What did Planck's Radiation Law address inadequacies in?
'Bohr Old Quantum Theory' explained that electrons are allowed to revolve only in ____________.
'Bohr Old Quantum Theory' explained that electrons are allowed to revolve only in ____________.
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