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Author Question: Isolated bells ring clearly, while bells crammed in a box have a muffled ring. This is analogous to ... (Read 142 times)

urbanoutfitters

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on: Jul 29, 2018
Isolated bells ring clearly, while bells crammed in a box have a muffled ring. This is analogous to light emitted by
 
  A) a laser.
  B) a fluorescent lamp.
  C) an incandescent lamp.
  D) a phosphorescent source.
  E) none of the above

Question 2

As the filament of a lamp is heated it changes
 
  A) temperature.
  B) color.
  C) both of these
  D) neither of these


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komodo7

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


urbanoutfitters

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


komodo7

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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