In a laser a. light is amplified by stimulated emission of ...

[ts19998]

In a laser
 a. light is amplified by stimulated emission of radiation
  b. the emitted light is monochromatic
  c. the emitted light is coherent
  d. there is a population inversion of electrons in atoms
  e. all of the above

Question 2

The continuous part of an x ray spectrum of an atom occurs because
 a. of photon absorption
  b. of the photoelectric effect
  c. electrons in the atom make transitions to lower energy levels
  d. of the uncertainty principle
  e. of rapid deceleration of the bombarding electrons

[zhanghao]

Answer to Question 1

E

Answer to Question 2

E