How fast would a light beam appear to Einstein if he were traveling in the same direction at 90% of the speed of light?
A) 0
B) c
C) 0.1c
D) 1.10c
E) none of the above
Answer: B
You might also like to view...
The bright and dark bands you see in a photograph of a double-slit interference pattern represent
A. the respective positions of the crests and the troughs of the light wave. B. an interference pattern that is not present unless it is produced by the camera lens. C. the respective positions of constructive and destructive interference of light from the two sources. D. the respective positions of destructive and constructive interference of light from the two sources. E. the respective positions of bright and dark particles of light.
A harmonic longitudinal wave propagating down a tube filled with a compressible gas has the form s(x, t) = sm cos (kx - wt). Its velocity can be obtained from
a. w/k b. k/w c. k d. w e. wk
Auroras on Jupiter have a diameter that is larger than all of Earth
a. True b. False Indicate whether the statement is true or false
The RR Lyrae stars all have periods of:
A) less than a second. B) several minutes. C) several hours. D) several days. E) several weeks.