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JEE Main 18 March 2021 Shift 2 Solved Paper

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Question : 30

Total: 90

A galaxy is moving away from the Earth at a speed of 286kms−1. The shift in the wavelength of a red line at 630nm is x×10−10m. The value of x to the nearest integer, is ...........
(Take the value of speed of light c, as 3×108ms−1 )

[18 Mar 2021 Shift 2]

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