If n1 is the index of refraction for the incident medium and n2 ...

[bclement10]

If n1 is the index of refraction for the incident medium and n2 is the index for the refracting medium, the critical angle will exist
 
  A)
 
  in all cases, it will just have different values.
  B)
 
  when n1 < n2.
  C)
 
  when n1 = n2.
  D)
 
  never.
  E)
 
  when n1 > n2.

Question 2

Two objects are dropped from a bridge, an interval of 1.00 s apart. What is their separation 1.00 s after the second object is released?
 
  A)
 
  4.90 m
 
  B)
 
  7.35 m
 
  C)
 
  9.80 m
 
  D)
 
  14.7 m
 
  E)
 
  19.8 m

[14vl19]

Answer to Question 1

E

Answer to Question 2

D

[bclement10]

TYSM

[komodo7]

Gracias!