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Author Question: Light has wavelength 600 nm in a vacuum. It passes into glass, which has an index of refraction of ... (Read 58 times)

humphriesbr@me.com

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on: Jul 29, 2018
Light has wavelength 600 nm in a vacuum. It passes into glass, which has an index of refraction of 1.5. What is the frequency of the light inside the glass? (c = 3.0  108 m/s)
 
  A) 3.3  1014 Hz
  B) 5.0  1014 Hz
  C) 3.3  105 Hz
  D) 5.0  105 Hz

Question 2

A 200- resistor is rated at 1/4 W. What is the maximum voltage that can safely be connected across it?
 
  A) 0.71 V
  B) 7.1 V
  C) 50 V
  D) 0.25 V


xthemafja

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

B

Answer to Question 2

B


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humphriesbr@me.com

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Reply #2 on: Jul 29, 2018
Thank you!


xthemafja

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Reply #3 on: Jul 29, 2018
Always glad to help...


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