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Author Question: Visible light is electromagnetic radiation with a light wavelength range of about ____ nanometers ... (Read 194 times)

naturalchemist

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on: Jun 19, 2018
Visible light is electromagnetic radiation with a light wavelength range of about ____ nanometers
 
  a. 200 to 400
  b. 200 to 900
  c. 400 to 750
  d. 400 to 2,000

Question 2

Dee says that she has developed special sunglasses to enable people to see light with wavelengths of 550700 nanometers. Would these be useful for humans?
 
  a. Nothese frequencies are already visible to humans.
  b. Yesbut only for seeing very faint lights.
  c. Nounless one is looking at very bright lights.
  d. Yesthese frequencies are normally outside of human range.


hramirez205

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Reply #1 on: Jun 19, 2018
Answer to Question 1

ANSWER:
c

Answer to Question 2

ANSWER:
a


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