Question 1

The Michelson-Morley experiment showed

Accepted Answer

A)  a negligible fringe shift indicating an ether drift toward the center of Earth. 
B)  a negligible fringe shift indicating that, if an ether exists, it is at rest with respect to Earth. 
C)  a negligible fringe shift indicating that the instrument was not sensitive enough. 
D)  Earth to be traveling with a speed approaching that of light through space. 
E)  that light travels too fast to have its velocity measured. 
A)  a negligible fringe shift indicating an ether drift toward the center of Earth. 
B)  a negligible fringe shift indicating that, if an ether exists, it is at rest with respect to Earth. 
C)  a negligible fringe shift indicating that the instrument was not sensitive enough. 
D)  Earth to be traveling with a speed approaching that of light through space. 
E)  that light travels too fast to have its velocity measured.

Question 2

Two electrons are ejected in opposite directions from atoms in a sample of radioactive material. Each electron has a speed, as measured by a laboratory observer, of 0.6c. What is the speed of one electron as seen from the other electron?

Accepted Answer

A)  0.361c 
B)  0.882c 
C)  1.87c 
D)  zero 
E)  1.24c 
A)  0.361c 
B)  0.882c 
C)  1.87c 
D)  zero 
E)  1.24c

Question 3

You observed that event A occurred before event B. Which of the following statements is false?

Accepted Answer

A)  Another reference frame must exist in which event A precedes event B. 
B)  A reference frame must exist in which event B precedes A. 
C)  A reference frame could exist in which the events are simultaneous. 
D)  A reference frame could not exist in which event B precedes event A. 
E)  None of these statements is false. 
A)  Another reference frame must exist in which event A precedes event B. 
B)  A reference frame must exist in which event B precedes A. 
C)  A reference frame could exist in which the events are simultaneous. 
D)  A reference frame could not exist in which event B precedes event A. 
E)  None of these statements is false.

The Michelson-Morley experiment showed

Two electrons are ejected in opposite directions from atoms in a sample of radioactive material. Each electron has a speed, as measured by a laboratory observer, of 0.6c. What is the speed of one electron as seen from the other electron?

You observed that event A occurred before event B. Which of the following statements is false?

The Electric Field I: Discrete Charge Distributions

The Electric Field II: Continuous Charge Distributions

Electric Potential

Capacitance

Electric Current and Direct-Current Circuits

The Magnetic Field

Sources of the Magnetic Field

Magnetic Induction

Alternating-Current Circuits

Maxwells Equations and Electromagnetic Waves

Properties of Light

Optical Images

Interference and Diffraction

Wave Particle Duality and Quantum Physics

Applications of the Schrodinger Equation

Atoms

Molecules

Solids and the Theory of Conduction

Nuclear Physics

Elementary Particles and the Beginning of the Universe

Filters

Exam 19: Relativity

The Michelson-Morley experiment showed

Two electrons are ejected in opposite directions from atoms in a sample of radioactive material. Each electron has a speed, as measured by a laboratory observer, of 0.6c. What is the speed of one electron as seen from the other electron?

You observed that event A occurred before event B. Which of the following statements is false?

The Electric Field I: Discrete Charge Distributions

The Electric Field II: Continuous Charge Distributions

Electric Potential

Capacitance

Electric Current and Direct-Current Circuits

The Magnetic Field

Sources of the Magnetic Field

Magnetic Induction

Alternating-Current Circuits

Maxwells Equations and Electromagnetic Waves

Properties of Light

Optical Images

Interference and Diffraction

Wave Particle Duality and Quantum Physics

Applications of the Schrodinger Equation

Atoms

Molecules

Solids and the Theory of Conduction

Nuclear Physics

Elementary Particles and the Beginning of the Universe

Filters