Which developments played a role in the formation of Bohr's model of the atom?
- ADual character of electromagnetic radiation
- BExperimental results regarding atomic spectra
- CBoth $(A)$ and $(B)$
- DNone of the above
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When an electron with energy $10.8 \,eV$ collides with a hydrogen $(H)$ atom,what will happen?
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| $(1)$ Lyman | $(A)$ $n = 5 \to n = 4$ |
| $(2)$ Paschen | $(B)$ $n = 3 \to n = 2$ |
| $(3)$ Brackett | $(C)$ $n = 6 \to n = 5$ |
| $(4)$ Balmer | $(D)$ $n = 4 \to n = 3$ |
| $(E)$ $n = 7 \to n = 6$ |
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Given: $R_{H} = 2.18 \times 10^{-11} \ ergs$
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