Heat radiation (What is the radiant exitance Re of a body? Draw the experimental setup for the observation of external photoeffect)

TEST: HEAT RADIATION

1. What is the radiant exitance R_e of a body?
2. What is the absorption coefficient A?
3. What is the spectral density of radiant exitance E_l?
4. Give the definition of absolute blackbody.
5. Give example of absolute blackbody.
6. Kirchhoff’s law (write the definition and formula).
7. Conclusion of Kichhoff’s law (write the definition and formula).
8. Stephen-Boltzmann’s law (write the definition and formula).
9. Wien’s law (write the definition and formula).
10. Why the Wien’s law is called the Wien displacement law?
11. Planck’s theory.
12. Planck’s law (write the formula).
13. Give the definition of external photoeffect.
14. Give the definition of internal photoeffect.
15. Draw the experimental setup for the observation of external photoeffect.

TEST: HEAT RADIATION

1. What is the radiant exitance R_e of a body?
2. What is the absorption coefficient A?
3. What is the spectral density of radiant exitance E_l?
4. Give the definition of absolute blackbody.
5. Give example of absolute blackbody.
6. Kirchhoff’s law (write the definition and formula).
7. Conclusion of Kichhoff’s law (write the definition and formula).
8. Stephen-Boltzmann’s law (write the definition and formula).
9. Wien’s law (write the definition and formula).
10. Why the Wien’s law is called the Wien displacement law?
11. Planck’s theory.
12. Planck’s law (write the formula).
13. Give the definition of external photoeffect.
14. Give the definition of internal photoeffect.
15. Draw the experimental setup for the observation of external photoeffect.