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Author Question: What is the frequency of yellow-green light that has a wavelength of 550 ... (Read 119 times)

HCHenry

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on: Jul 28, 2018
What is the frequency of yellow-green light that has a wavelength of 550 nm?

Question 2

A neutron has a mass of 1.67  1027 kg. Its de Broglie wavelength is 1.4  1010 m. What is its kinetic energy (in eV)?
 a. 4
  b. 0.4
  c. 0.04
  d. 40
  e. 0.08


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paavo

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

5.5  1014 Hz

Answer to Question 2

c


HCHenry

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

epscape

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Reply 3 on: Yesterday
Wow, this really help

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