If a sheet containing two very thin slits is heated (without ...

[fahad]

If a sheet containing two very thin slits is heated (without damaging it), what happens to the angular location of the first-order interference minimum?
 
  A) It moves toward the centerline.
  B) It moves away from the centerline.
  C) It doesn't change.

Question 2

By what primary thermal energy transfer mechanism does the Sun warm Earth?
 
  A) convection
  B) conduction
  C) radiation
  D) All of the above processes are equally important in combination.

[patma1981]

Answer to Question 1

A

Answer to Question 2

C

[fahad]

Thanks for the timely response, appreciate it

[Joy Chen]

Wow, this really help