If a star is moving towards the earth, then the lines are shifted towards |
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a) |
Red |
b) |
Infrared |
c) |
Blue |
d) |
Green |
If a star is moving towards the earth, then the lines are shifted towards |
|||||||
a) |
Red |
b) |
Infrared |
c) |
Blue |
d) |
Green |
(c) When the source and observer approach each other, apparent frequency increases and hence wavelength decreases |