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Author Question: Electrons emitted when light strikes the surface of a metal is a. photon emission b. photon ... (Read 124 times)

haleyc112

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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

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

F


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haleyc112

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Reply #2 on: Jul 28, 2018
Thanks


brittrenee

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Reply #3 on: Jul 28, 2018
Welcome :)


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