When using 529-nm light, how far is the adjustable mirror of a ...

[V@ndy87]

When using 529-nm light, how far is the adjustable mirror of a Michelson interferometer moved when 600 fringe shifts are counted? A fringe shift occurs when the intensity goes from bright to dark or when it goes from dark to bright.
 a. 1.58  10-4 m
  c. 9.90  10-6 m
  b. 7.94  10-5 m
  d. 3.97  10-5 m

Question 2

The volume holding 0.63 mole of an ideal gas is compressed to 1/4 of its original volume by a piston. At the same time the pressure of the gas triples. If the original absolute temperature of the gas was T, that is the new temperature after compression?
 a. 4/3T
  c. 0.63(3/4T)
  b. 3/4T
  d. 0.63(4/3T)

[braelync]

Answer to Question 1

B

Answer to Question 2

B