We know that light is quantized because, in the double slit ...

[laurencescou]

We know that light is quantized because, in the double slit experiment with light,
 
  A) when dim light is used, the light hits the screen at tiny separated impact points.
  B) when the experiment is done in strong light, no interference pattern shows up on the screen.
  C) an interference pattern shows up on the screen.
  D) when one slit is closed, the light hits the screen at tiny separated impact points.
  E) when one slit is closed, no interference pattern shows up on the screen.

Question 2

A gas-filled vertical cylinder, closed at the bottom end, is fitted at the top with a piston that can move freely.
 
  The mass of the piston is 10.0 kg, and the initial height of the piston above the bottom of the cylinder is 25 cm. A mass of 8.0 kg is placed on the piston. What is the resulting height of the piston, assuming that the temperature of the ideal gas is kept constant?
  A) 12 cm
  B) 13 cm
  C) 14 cm
  D) 15 cm
  E) 16 cm

[paavo]

Answer to Question 1

A

Answer to Question 2

C

[laurencescou]

Excellent

[sailorcrescent]

Gracias!