If in a double-slit experiment the distance to the screen is ...

[pane00]

If in a double-slit experiment the distance to the screen is increased, which of the following happens to the interference pattern shown on the screen?
 
  A)
 
  The minima get closer together.
  B)
 
  The maxima stay at the same position.
  C)
 
  The minima and maxima stay at the same position.
  D)
 
  The maxima get further apart.
  E)
 
  The minima stay at the same position.

Question 2

The design considerations for a timing mechanism require that a mass of 1.6 g should undergo 5 oscillations per second when it is attached to a spring. What should the force constant of a spring be to achieve this?
 
  A)
 
  15.6 N/m
 
  B)
 
  3.1 N/m
 
  C)
 
  7.2 N/m
 
  D)
 
  1.6 N/m
 
  E)
 
  8.0 N/m

[brittiany.barnes]

Answer to Question 1

D

Answer to Question 2

D

[pane00]

Gracias!

[LVPMS]

Wow, this really help