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Asked: 3 years ago2022-10-29T09:56:49+05:30 2022-10-29T09:56:49+05:30In: General Awareness

Doppler effect for light is used
A. measurement of velocities of distant galaxies
B. to measure speed of rotation of sun
C. to measure plasma temperature
D. all of these

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Doppler effect for light is usedA. measurement of velocities of distant galaxiesB. to measure speed of rotation of sunC. to measure plasma temperatureD. all of these