A 3.0 cm tall statue is 48. cm in front of a biconvex lens (focal length 20. cm). (a) Is the ...

A 3.0 cm tall statue is 48. cm in front of a biconvex lens (focal length 20. cm).
 
  (a) Is the image real or virtual?
  (b) How far is the image from the lens?
  (c) Is the image upright or inverted?
  (d) How high is the image?

Question 2

Compared to Special Relativity, General Relativity is more concerned with
 
  A) gravitation.
  B) mass-energy.
  C) Unified fields.
  D) Lorentz transformations.
  E) electromagnetic fields.

Question 3

A battery has an internal resistance of 2 . This battery delivers maximum power to a load resistor that has a value of
 
  A) zero ohms.
  B) 4 .
  C) 2 .
  D) 8 .
  E) 1 .

Question 4

How many of the infinite number of Balmer spectrum lines are in the visible spectrum range?
 
  A) none
  B) 2
  C) 4
  D) 6
  E) infinite

Question 5

Which of the following is a difficulty associated with interstellar travel?
 
  A) all three are difficulties
  B) the speed of light being the fastest possible speed we can travel
  C) the enormous amount of energy required to accelerate any ship to high speed
  D) the huge distances between the stars