Light coming from a star is observed to have a wavelength of 3737 Å, while its real wavelength is 3700 Å. The speed of the star relative to the earth is [Speed of light \[3\times {{10}^{8}}m/s\]] [MP PET 1997]

Light coming from a star is observed to have a wavelength of 3737 Å,

1.	Light coming from a star is observed to have a wavelength of 3737 Å, while its real wavelength is 3700 Å. The speed of the star relative to the earth is [Speed of light \[3\times {{10}^{8}}m/s\]] [MP PET 1997]
A.	\[3\times {{10}^{5}}m/s\]
B.	\[3\times {{10}^{6}}m/s\]
C.	\[{{E}_{z}},\,{{B}_{x}}\]
D.	\[3.7\times {{10}^{6}}m/s\]
Answer» C. \[{{E}_{z}},\,{{B}_{x}}\]

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Light coming from a star is observed to have a wavelength of 3737 Å, while its real wavelength is 3700 Å. The speed of the star relative to the earth is [Speed of light \[3\times {{10}^{8}}m/s\]] [MP PET 1997]

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