A light wave traveling in air strikes a plane mirror surface at ...

[geodog55]

A light wave traveling in air strikes a plane mirror surface at an angle of 30 relative to the normal. The wave is reflected at an angle of
 a. 30 relative to the surface.
  b. 30 relative to the normal.
  c. 60 relative to the normal.
  d. none of these.

Question 2

Assume we can determine the position of a particle within an uncertainty of 0.5 nm. What will be the resulting uncertainty in the particle's momentum (in kg  m/s)?
 a. 1.9  1025
  b. 4.2  1025
  c. 1.1  1025
  d. 1.3  1024
  e. 6.6  1025

[dreamfighter72]

Answer to Question 1

b

Answer to Question 2

c

[geodog55]

Thanks

[dreamfighter72]

Welcome