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Author Question: A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror ... (Read 98 times)

lbcchick

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on: Jul 28, 2018
A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror must he look to see his feet?
 a. 1 m from the floor
  b. 50 cm from the floor
  c. 25 cm from the floor
  d. at the bottom of the mirror
  e. 1.5 m from the floor

Question 2

A layer of kerosene (n = 1.45) is floating on water (n = 1.33). For what angles of incidence at the kerosene-water interface will light be totally internally reflected within the kerosene?


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mrphibs

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

A

Answer to Question 2

q > 66.5


lbcchick

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Reply 2 on: Jul 28, 2018
:D TYSM

irishcancer18

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Reply 3 on: Yesterday
Excellent

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