Red light is emitted from a source at rest at a wavelength of 650 nm. How fast would this source have to be moving relative to you for you to see it as blue? Would it need to be moving towards or away from you?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Consequences of Relativity concept. You can view video lessons to learn Consequences of Relativity. Or if you need more Consequences of Relativity practice, you can also practice Consequences of Relativity practice problems.
How long does this problem take to solve?
Our expert Physics tutor, Juan took 7 minutes and 12 seconds to solve this problem. You can follow their steps in the video explanation above.