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NewNcertPhysicsAtoms And Nuclei

The ratio of wavelength of spectral lines $$\mathrm{H}_{\alpha}$$ and $$\mathrm{H}_{\beta}$$ in the Balmer series is $$\frac{x}{20}$$. The value of $$x$$ is _________.

✓ Correct answer: 27

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Question ID #91543 · NewNcert