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Author Question: A container of flint glass (n = 1.66) holds a small quantity of benzene (n = 1.501). What is the ... (Read 116 times)

mcmcdaniel

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on: Jul 28, 2018
A container of flint glass (n = 1.66) holds a small quantity of benzene (n = 1.501). What is the critical angle for internal reflection of a ray in the liquid when it is incident on the liquid-to-glass surface?
 a. 89.5
  b. 64.7
  c. 41.1
  d. The critical angle does not occur in this case.

Question 2

A 2.00-kg copper rod is 40.00 cm long at 23C. If 50,000 J are transferred to the rod by heat, what is its change in length? (ccopper = 387 J/kgC and acopper = 17  106/C)
 a. 0.022 cm
  c. 0.055 cm
  b. 0.044 cm
  d. More information is needed.


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britb2u

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

D

Answer to Question 2

B


mcmcdaniel

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Reply 2 on: Jul 28, 2018
Gracias!

kjohnson

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Reply 3 on: Yesterday
Wow, this really help

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