A Console Lamp in the Cabin of a Spaceship Appears

question 35

Multiple Choice

A console lamp in the cabin of a spaceship appears green when the ship and observer are both at rest.When the ship is moving at 0.90c away from Earth, passengers on board see:

• A)a dark lamp (the frequency is too high to be seen)
• B)a dark lamp (the frequency is too low to be seen)
• C)a red lamp
• D)a violet lamp
• E)a green lamp