« previous next »

Author Question: In a laser a. light is amplified by stimulated emission of radiation b. the emitted light is ... (Read 88 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

E

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Laser Pointer Laser Pointer
effect of light on plant effect of light on plant
Radiation therapy. Radiation therapy.
Light Light
How much the temperature will rise depends on many factors that affect the level of GHG emission How much the temperature will rise depends on many factors that affect the level of GHG emission
Light-reflecting Eyes Light-reflecting Eyes
Video: Introduction to Insulin

For a complete list of videos, visit our video library