A projector lens is needed to form an image on a screen 20 times ...

[karateprodigy]

A projector lens is needed to form an image on a screen 20 times the size of its corresponding object. The screen is located 8.0 m from the lens. What is the required focal length of the lens?
 a. 0.32 m
  c. 0.73 m
  b. 0.38 m
  d. 1.25 m

Question 2

An ideal gas is confined to a container with adjustable volume. The number of moles and temperature are constant. By what factor will the volume change if pressure quadruples?
 a. 16
  c. 1/4
  b. 4
  d. 1/16

[ms_sulzle]

Answer to Question 1

B

Answer to Question 2

C

[karateprodigy]

Both answers were spot on, thank you once again

[ms_sulzle]

Great! Please up vote