In Einstein's General Theory of Relativity, higher dimensions beyond the three that we can ...

In Einstein's General Theory of Relativity, higher dimensions beyond the three that we can comprehend are called
 
  A) hidden space
  B) hyperspace
  C) excited space
  D) extra space

Question 2

In state n = 1, the energy of the hydrogen atom is -13.58 eV. What is its energy in state n = 2?
 
  A) -1.51 eV
  B) -6.79 eV
  C) -3.40 eV
  D) -4.53 eV
  E) -5.89 eV

Question 3

The lifetime of an excited nuclear state is 10-9 s. What is the minimum uncertainty in the energy of this state?
 
  A) 1  10-9 eV
  B) 1  10-25 eV
  C) 6  10-25 eV
  D) 5  10-9 eV
  E) 7  10-7 eV

Question 4

Unpolarized light is passed through a polarizer-analyzer combination. The transmission axes of the polarizer and the analyzer are at 30.0 to each other. What percentage of the unpolarized light gets through the combination?
 
  A) 37.5
  B) 50.0
  C) 63.7
  D) 75.0
  E) 100

Question 5

A hoop of radius 0.50 m and a mass of 0.20 kg is released from rest and allowed to roll down an inclined plane. How fast is it moving after dropping a vertical distance of 3.0 m?
 
  A) 7.7 m/s
  B) 6.2 m/s
  C) 5.4 m/s
  D) 3.8 m/s
  E) 2.2 m/s