« previous next »

Author Question: Electrons emitted when light strikes the surface of a metal is a. photon emission b. photon ... (Read 94 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 28, 2018
Electrons emitted when light strikes the surface of a metal is
 a. photon emission
  b. photon absorption
  c. the photoelectric effect
  d. a laser
  e. an emission spectrum

Question 2

UPC price scanners at supermarket checkouts use laser holography to read the bar codes because the packages are three dimensional.
  Indicate whether the statement is true or false


brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

haleyc112

  • Hero Member
  • *****
  • Posts: 600
Reply #2 on: Jul 28, 2018
Thanks


brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ... Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...
Peptide Arrays - light-directed, spatially patterned oligopeptide synthesis Peptide Arrays - light-directed, spatially patterned oligopeptide synthesis
Variations in the Ocean’s Surface Temperature and Salinity with Latitude Variations in the Ocean’s Surface Temperature and Salinity with Latitude
A small 355-g box hangs from one end of a thin light string that goes over a frictionless ... A small 355-g box hangs from one end of a thin light string that goes over a frictionless ...
Movement of Chloroplasts in Response to Light Movement of Chloroplasts in Response to Light
Light-independent reactions in C4 plants Light-independent reactions in C4 plants
Video: Electrical Conduction System of the Heart

For a complete list of videos, visit our video library