Hans Geiger A) invented the bubble chamber. B) discovered ...

[tfester]

Hans Geiger
 
  A) invented the bubble chamber.
  B) discovered radium and polonium.
  C) invented the particle detector tube.
  D) observed back-scattering from nuclei.
  E) discovered radioactivity.

Question 2

A significant step in unifying the forces of nature was the discovery that two of the so-called fundamental forces were two parts of a single force. The two forces that were so unified were
 
  A) the electromagnetic force and the weak force.
  B) the weak force and the strong nuclear force.
  C) the electromagnetic force and the strong nuclear force.
  D) the electromagnetic force and the gravity force.

[Pariscourtney]

Answer to Question 1

C

Answer to Question 2

A

[tfester]

Excellent

[T4T]

Thanks for the timely response, appreciate it