If the ground state energy level of an electron in a rigid box is ...

[urbanoutfitters]

If the ground state energy level of an electron in a rigid box is 5.0 eV, what is the width of the box?
 
  A)
 
  2.3  10-11 m
  B)
 
  7.3  10-20 m
  C)
 
  2.7  10-10 m
  D)
 
  1.0  10-10 m
  E)
 
  9.1  10-21 m

Question 2

A heat engine is any device that changes mechanical work into thermal energy.
 
  Indicate whether the statement is true or false

[ergserg]

Answer to Question 1

C

Answer to Question 2

FALSE

[urbanoutfitters]

Wow, this really help

[TheDev123]

Excellent