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Author Question: A point source of light is positioned 20.0 m below the surface of a lake. What is the diameter of ... (Read 30 times)

Kikoku

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on: Jul 27, 2018
A point source of light is positioned 20.0 m below the surface of a lake. What is the diameter of the largest circle on the surface of the water through which light can emerge?
 
  What will be an ideal response?

Question 2

In the Compton effect, as the scattering angle increases, the frequency of the X-rays scattered at that angle
 
  A) increases.
  B) decreases.
  C) does not change.
  D) varies randomly.


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AaaA

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Reply #1 on: Jul 27, 2018
Answer to Question 1

45.6 m

Answer to Question 2

B


Kikoku

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Reply 2 on: Jul 27, 2018
Wow, this really help

xiazhe

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Reply 3 on: Yesterday
Excellent

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