If you view a distant light source through a narrow gap between ...

[tth]

If you view a distant light source through a narrow gap between your fingers, you will see if you do the experiment properly
 
  A) Donald Duck.
  B) alternating bright and dark lines running perpendicular to your fingers, due to interference between light waves.
  C) alternating bright lines and dark lines running parallel to your fingers, due to interference between light waves.
  D) the entire gap is dark, due to destructive interference between light waves.
  E) the entire gap is bright or light, due to constructive interference between light waves.

Question 2

The four general categories of energy resources from which we can obtain useful energy services are: fossil, nuclear, renewable i.e., alternative, and
 
  A) hydroelectric.
  B) breeder reactors.
  C) biomass.
  D) chemical.
  E) energy efficiency.

[harveenkau8139]

Answer to Question 1

C

Answer to Question 2

E

[tth]

TYSM

[ryhom]

Excellent