Louis de Broglie A) set the limits on the probability of ...

[newyorker26]

Louis de Broglie
 
  A) set the limits on the probability of measurement accuracy (1927).
  B) suggested the existence of matter waves (1924).
  C) predicted the positron from relativistic quantum mechanics (1928).
  D) developed a wave equation for matter waves (1926).
  E) was the first to produce X-ray-like diffraction patterns of electrons passing through thin metal foil (1927).

Question 2

A transformer is a device that
 
  A) operates on either DC or AC.
  B) operates only on AC.
  C) operates only on DC.
  D) increases the power level of a circuit.

[lou]

Answer to Question 1

B

Answer to Question 2

B

[newyorker26]

Gracias!

[hollysheppard095]

Excellent