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Author Question: Monochromatic light is incident on a grating that is 75 mm wide and ruled with 50,000 lines. The ... (Read 169 times)

itsmyluck

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on: Jul 29, 2018
Monochromatic light is incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen at 32.5. What is the wavelength of the incident light?
 
  A) 202 nm B) 605 nm C) 452 nm D) 403 nm E) 806 nm

Question 2

A mass of 1.53 kg is attached to a spring and the system is undergoing simple harmonic oscillations with a frequency of 1.95 Hz and an amplitude of 7.50 cm. What is the total mechanical energy of the system?
 
  A)
 
  0.844 J
 
  B)
 
  0.646 J
 
  C)
 
  0.633 J
 
  D)
 
  0.955 J
 
  E)
 
  0 J


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SomethingSomething

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

D

Answer to Question 2

B


itsmyluck

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

upturnedfurball

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Reply 3 on: Yesterday
Excellent

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