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Author Question: The meter is currently defined as A) the distance between two etched lines in a platinum-iridium ... (Read 60 times)

tiffannnnyyyyyy

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The meter is currently defined as
 
  A) the distance between two etched lines in a platinum-iridium bar kept in S vres, France.
  B) the distance between two etched lines in a platinum-iridium bar kept in Washington, D.C.
  C) one ten-millionth of the distance between the North pole and the equator.
  D) the distance traveled by light in 1/299,792,458 of a second.
  E) 1,553,164.1 wavelengths of red cadmium light in dry air at 25C.

Question 2

The wavelength of a certain laser is 0.35 micrometers, where 1 micrometer = 1  10-6 m. Express this wavelength in nanometers.
 
  A) 3.5  102 nm
  B) 3.5  103 nm
  C) 3.5  101 nm
  D) 3.5  104 nm



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Ksh22

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Answer to Question 1

D

Answer to Question 2

A



tiffannnnyyyyyy

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Both answers were spot on, thank you once again



Ksh22

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