Resonance occurs when a. two different objects vibrate with ...

[newyorker26]

Resonance occurs when
 a. two different objects vibrate with different frequencies.
  b. two different objects produce beats.
  c. an object having a certain natural frequency is set in vibration by a second object vibrating at that frequency.
  d. an object produces a sound.

Question 2

In 1921, Stern and Gerlach performed an experiment that first demonstrated
 a. orbital angular momentum quantization
  b. energy quantization
  c. space quantization
  d. magnetic orbital quantization
  e. that particles behave like waves

[ApricotDream]

Answer to Question 1

c

Answer to Question 2

c

[newyorker26]

Thanks for the timely response, appreciate it

[lkanara2]

TYSM