A galaxy is moving away from the earth at a speed of 286 kms⁻¹. The shift in the wavelength of a redline at 630 nm is x × 10⁻¹0 m. The value of x, to the nearest integer, is _ _ _ _ _ _. [Take the value of speed of light c, as 3 × 10⁸ ms⁻¹]

Optics: JEE Main 2021 Physics question

JEE Main 2021 · 18 Mar, Evening shift · Q73

JEE Main 202118 Mar, Evening shiftPhysicsMediumOptics190× since 2002

A galaxy is moving away from the earth at a speed of 286 kms^

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1. The shift in the wavelength of a redline at 630 nm is x

\times

10^

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10 m. The value of x, to the nearest integer, is ____________. [Take the value of speed of light c, as 3

\times

10⁸ ms^

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Your answerType your answer. Integers and decimals are accepted.

JEE Main 2021 Optics Question with Answer (18 Mar Evening shift, Q73) | JEE Arc