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Atoms And Nuclei

AP EAPCET 2025 - 21st May Evening Shift

MCQ+1 / -02025

For an observer on the Earth, if a spectral line of wavelength $6600\mathop {\rm{A}}\limits^{\rm{o}}$ emitted by a star is found to be red shifted by $22 \mathop {\rm{A}}\limits^{\rm{o}}$, then the star is


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