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Author Question: A flashlight beam is seen because of a. specular reflection. b. diffuse reflection. c. ... (Read 114 times)

SO00

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on: Jul 28, 2018
A flashlight beam is seen because of
 a. specular reflection.
  b. diffuse reflection.
  c. dispersion.
  d. refraction.

Question 2

Photoelectrons are ejected when monochromatic light shines on a freshly-prepared (oxide-free) sodium surface. In order to obtain the maximum increase in the number of electrons ejected per second, the experimenter needs to
 a. increase the frequency of the light.
  b. increase the intensity of the light.
  c. increase the area illuminated by the light.
  d. do all of the above.
  e. do only (b) and (c) above.


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Jayson

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

b

Answer to Question 2

e


SO00

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

okolip

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Reply 3 on: Yesterday
Excellent

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