A light ray in air enters water at an angle of incidence of 40. ...

[ap345]

A light ray in air enters water at an angle of incidence of 40. Water has an index of refraction of 1.33. The angle of refraction in the water is
 
  A)
 
  59.
  B)
 
  29.
  C)
 
  40.
  D)
 
  0.59.
  E)
 
  1.33.

Question 2

How many moles of H2O molecules are in a 4.00 m3 container at a pressure 8.00  105 N/m2 and temperature 600C?
 
  A)
 
  7.72  1026
 
  B)
 
  641
 
  C)
 
  441
 
  D)
 
  3.86  1026
 
  E)
 
  2.65  1026

[bigcheese9]

Answer to Question 1

B

Answer to Question 2

C

[ap345]

Excellent

[xiaomengxian]

Thanks for the timely response, appreciate it