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Physics · 2022 · 2 marks
CBSE 2022 · Region 4 · Set 1 · Q2
(a) Name the spectral series for a hydrogen atom which lies in the visible region. Find the ratio of the maximum to the minimum wavelengths of this…
(a)
Name the spectral series for a hydrogen atom which lies in the visible region. Find the ratio of the maximum to the minimum wavelengths of this series.
OR
(b)
What are matter waves? A proton and an alpha particle are accelerated through the same potential difference. Find the ratio of the de Broglie wavelength associated with the proton to that with the alpha particle.
Marking-scheme solution
Name of Spectral Series &
Ratio of the wavelength & $\displaystyle 1_{2}^{1}$
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