Black Body Radiation (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What key property do photons possess?
What key property do photons possess?
They have no mass but carry energy
What is a black body?
What is a black body?
Perfect absorber of all wavelengths
As an object's temperature increases, what happens to its emitted radiation?
As an object's temperature increases, what happens to its emitted radiation?
More radiation at shorter wavelengths
In Wien's law , what is Wien's constant ?
In Wien's law , what is Wien's constant ?
m K
What did classical physics incorrectly predict about black body radiation?
What did classical physics incorrectly predict about black body radiation?
Infinite intensity at short wavelengths
What is the value of Planck's constant in joule-seconds?
What is the value of Planck's constant in joule-seconds?
J s
According to Planck, atoms can only oscillate with energies given by which formula?
According to Planck, atoms can only oscillate with energies given by which formula?
What is the energy of one quantum of light?
What is the energy of one quantum of light?
What happens to the peak of the black body spectrum as temperature increases?
What happens to the peak of the black body spectrum as temperature increases?
Shifts to shorter wavelengths
Why is Earth warmer than K despite radiating W m?
Why is Earth warmer than K despite radiating W m?
The atmosphere traps heat