A galaxy moves with respect to us so that sodium line of 589.0 nm is observed at 589.6…

Physics · Class 12 · CBSE — Electromagnetic Waves

1. 206 km s^–1
2. 306 km s^–1
3. 103 km s^–1
4. 51 km s^–1

Answer

(B) 306 km s –1

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