One ampere one second is a unit of a. power. b. current. c. ...

[ap345]

One ampere  one second is a unit of
 a. power.
  b. current.
  c. voltage.
  d. electric charge.
  e. resistance.

Question 2

Monochromatic light ( = 500 nm) is incident on a soap bubble (n = 1.4) that is 500-nm thick. Calculate the change of phase of the light that penetrates the front surface, reflects from the second surface, and emerges through the first surface as an angle between 0 and 360?
 a. 280
  b. 160
  c. 220
  d. 100
  e. 290

[nguyenhoanhat]

Answer to Question 1

d

Answer to Question 2

e

[ap345]

Both answers were spot on, thank you once again

[nguyenhoanhat]

Great! Please up vote