Author Question: In a laser a. light is amplified by stimulated emission of radiation b. the emitted light is ... (Read 87 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
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

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

E

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

For a complete list of videos, visit our video library