The wavelength of light emitted from a star is 4320 Å. If radius of star is 7 \times 10^8 {\m} and period of its rotational motion is 22 days, the Doppler's displacement will be

CGPET 2011 Solved Paper

Section: Physics

Question : 24 of 150

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The wavelength of light emitted from a star is 4320Å. If radius of star is 7×108m and period of its rotational motion is 22 days, the Doppler's displacement will be

0.033Å
0.33Å
3.3Å
33Å

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