A star receding from the earth at a speed of 5 x 10-3c. The wavelength shift for the sodium D2 lineis approximately equal to ____(nearest integer)Correct answer is between '29,31'. Can you explain this answer?

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A star receding from the earth at a speed of 5 x 10^-3c. The wavelength shift for the sodium D₂ line

is approximately equal to ____

(nearest integer)

Correct answer is between '29,31'. Can you explain this answer?

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Test: Classical Mechanics - 2

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A star receding from the earth at a speed of 5 x 10-3c. The wavelength...

The Doppler equation gives,

Wavelength shift,

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A star receding from the earth at a speed of 5 x 10-3c. The wavelength shift for the sodium D2 lineis approximately equal to ____(nearest integer)Correct answer is between '29,31'. Can you explain this answer?

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