The sun is rotating about its own axis. For an observer on the earth , the spectral lines emitted from the two ends of its equator show

Options

A. shift towards the red end
B. shift towards the violet end
C. shift towards the red end by one line and towards the violet end by the other
D. no shift

Answer

C

Explanation

If the line from one end of the equator is shifted toward the red end , the line from the other end will be shifted towards the violet because in rotation if one end is moving towards the earth, the other end will move away from the earth.