Assuming a pupil diameter of 3. mm, what is the angular ...

[swpotter12]

Assuming a pupil diameter of 3. mm, what is the angular resolution of the human eye at the middle of the visible spectrum (550. nm)?
 
  A) 0.8 degree
  B) 0.8 arc-minute
  C) 0.2 degree
  D) 0.2 arc-minute
  E) 2. milliradian

Question 2

What is the energy of a 633 nm photon?
 
  A) 0.32 eV
  B) 3.14 eV
  C) 5.1 eV
  D) 1.96 eV
  E) 0.51 eV

[chreslie]

Answer to Question 1

B

Answer to Question 2

D