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Wave Optics · 2021 · 20 Jul · Shift 2

1 Physics questions from this JEE Main paper
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Wave Optics · 2021 · 20 Jul · Shift 2

1 Physics questions from this JEE Main paper

  1. Q49.With what speed should a galaxy move outward with respect to earth so that the sodium-D line at wavelength 5890 Ao​ is observed at 5896 Ao​ ?
    Physics · Wave Optics · MCQ