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Author Question: In 1983 the standard meter was redefined to what it is currently. What was the previous definition ... (Read 89 times)

awywial

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on: Jul 28, 2018
In 1983 the standard meter was redefined to what it is currently. What was the previous definition from 1960 based on?
 a. specific alloy bar housed at Sevres, France
  b. wavelength of light emitted by certain krypton atoms
  c. distance from the Earth's equator to the North Pole
  d. the distance light travels in a certain fraction of a second

Question 2

A room in a house has a floor area of 160 ft2 . Which of the following is most likely the approximate volume of the room?
 a. 4000 m3
  c. 40 m3
  b. 400 m3
  d. 4 m3


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peter

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

B

Answer to Question 2

C


awywial

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

covalentbond

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Reply 3 on: Yesterday
Excellent

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