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Author Question: Two photons that have the same wavelength also have the same A) frequency. B) energy. C) both ... (Read 66 times)

lindiwe

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on: Jul 29, 2018
Two photons that have the same wavelength also have the same
 
  A) frequency.
  B) energy.
  C) both of these
  D) neither of these

Question 2

The focal length of a lens is 5 m. What is the refractive power of this lens in diopters?
 
  A) 0.1 diopters
  B) 0.2 diopters
  C) 0.3 diopters
  D) 0.4 diopters
  E) 0.5 diopters


SomethingSomething

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

Answer: C

Answer to Question 2

B


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lindiwe

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Reply #2 on: Jul 29, 2018
Thanks


SomethingSomething

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Reply #3 on: Jul 29, 2018
Welcome :)


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