When you run along the hall from one classroom to another you're ...

[torybrooks]

When you run along the hall from one classroom to another you're moving through
 
  A) space.
  B) time.
  C) both of these
  D) none of these

Question 2

A single-slit experiment uses light of wavelength 720. nm with a slit separation of 0.250 mm and a screen placed 2.7 m away.
 
  (a) What is the angular width of the central fringe? (b) What is the linear width of the central fringe on the screen? (c) What is the linear distance on the screen between the central maximum and the 1st order maximum?

[tanna.moeller]

Answer to Question 1

Answer: C

Answer to Question 2

(a) 5.76  10-3 radian
(b) 1.6 cm
(c) 1.2 cm

[torybrooks]

Great answer, keep it coming

[Joy Chen]

Thanks for the timely response, appreciate it