Author Question: In a laser a. light is amplified by stimulated emission of radiation b. the emitted light is ... (Read 81 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?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library