In principle, a hologram is a result of which of the following ...

[jc611]

In principle, a hologram is a result of which of the following properties of light?
 
  A) Transmission
  B) Interference
  C) Refraction
  D) Reflection
  E) Dispersion

Question 2

Two equal forces are applied to a door at the doorknob. The first force is applied perpendicular to the door; the second force is applied at 30 to the plane of the door. Which force exerts the greater torque?
 
  A) the first applied perpendicular to the door
  B) the second applied at an angle
  C) both exert equal non-zero torques
  D) both exert zero torques
  E) Additional information is needed.

[jessofishing]

Answer to Question 1

B

Answer to Question 2

A

[jc611]

Thanks for the timely response, appreciate it

[debra928]

Excellent