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Author Question: What is the frequency of monochromatic light where the photon energy is 6.5 10-19 J? (h = 6.63 ... (Read 81 times)

bobypop

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on: Jul 28, 2018
What is the frequency of monochromatic light where the photon energy is 6.5  10-19 J? (h = 6.63  10-34 Js)
 a. 2.2  1014 Hz
  c. 4.4  1014 Hz
  b. 9.8  1014 Hz
  d. 8.3  1014 Hz

Question 2

According to Einstein, as the wavelength of the incident monochromatic light beam becomes shorter, the work function of a target material in a phototube:
 a. increases.
  b. is directly proportional to wavelength.
  c. decreases.
  d. remains constant.


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Koolkid240

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

B

Answer to Question 2

D


bobypop

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

kthug

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Reply 3 on: Yesterday
Wow, this really help

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