When light enters a material of higher index of refraction, its ...

[mydiamond]

When light enters a material of higher index of refraction, its speed
 
  A)
 
  decreases.
  B)
 
  first increases then decreases.
  C)
 
  stays the same.
  D)
 
  increases.
  E)
 
  first decreases then increases.

Question 2

When both the pressure and the absolute temperature of an ideal gas are increased each by a factor of two, the volume occupied by the gas will
 
  A)
 
  increase by a factor of four.
  B)
 
  increase by a factor of two.
  C)
 
  not change.
  D)
 
  decrease by a factor of two.
  E)
 
  decrease by a factor of four.

[aliotak]

Answer to Question 1

A

Answer to Question 2

C

[mydiamond]

Excellent

[scikid]

Gracias!