The efficiency of a Carnot engine is 35.0. What is the ...

[Haya94]

The efficiency of a Carnot engine is 35.0. What is the temperature of the cold reservoir if the temperature of the hot reservoir is 500 K?
 
  A)
 
  95.0 K
 
  B)
 
  175 K
 
  C)
 
  325 K
 
  D)
 
  269 K
 
  E)
 
  231 K

Question 2

A metal surface is illuminated with blue light and electrons are ejected at a given rate each with a certain amount of energy. If the intensity of the blue light is increased, electrons are ejected
 
  A)
 
  at the same rate, but with more energy per electron.
  B)
 
  at the same rate, but with less energy per electron.
  C)
 
  at an increased rate with no change in energy per electron.
  D)
 
  at a reduced rate with no change in energy per electron.

[ebonylittles]

Answer to Question 1

C

Answer to Question 2

C