a) You observe a beam of light emitted from a spacecraft moving at a speed of c/

Question

a) You observe a beam of light emitted from a spacecraft moving at a speed of c/4 away from you. What is the speed of the photons with respect to you?
b) Does the momentum of a photon change as it passes between two media with different indices of refraction? How about its wavelength? Explain.
c) Does the frequency of a photon change as it passes between two media with different indices of refraction? How about its wavelength? Explain.
d) Calculate the critical angle of incidence for total internal reflection in the case of rays approaching the boundary surface between diamond (n=2.42) and cedar oil (n=1.6).
e) Explain the difference between a real image and a virtual one. Explain this question as simple as possible.

Explanation / Answer

problem a)

from relativiti velocity:

vrelative = [v1 - v2]/[1 - (v1*v2/c2)]

here v1 = c , v2 = c/4 thus:

vrelative = c

I can help you with the other problems, but you need post again as a new question

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.