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Author Question: The meter is presently defined as a. one ten-millionth of the diameter of Earth. b. the wavelength ... (Read 80 times)

ereecah

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on: Jul 28, 2018
The meter is presently defined as
 a. one ten-millionth of the diameter of Earth.
  b. the wavelength of a line in the spectrum of krypton-86.
  c. the length of a platinum-iridium bar.
  d. the distance light travels in a vacuum in a very short time.

Question 2

The meter was defined originally as
 a. one ten-millionth of the diameter of Earth.
  b. one ten-millionth of the distance from the equator to the North Pole.
  c. the wavelength of a line in the spectrum of krypton-86.
  d. the length of a platinum-iridium bar.


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strudel15

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

d

Answer to Question 2

b


ereecah

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


strudel15

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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