Q.

How much energy is required to take a hydrogen atom from its ground state to excited state where it subsequently emits radiation of six different wavelength?

Moderate

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By Expert Faculty of Sri Chaitanya

a

10.2 eV

b

12.1 eV

c

12.75 eV

d

13.06 eV

answer is 3.

(Detailed Solution Below)

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Detailed Solution

For six wavelengths, n = 4, E4=−13.6(4)2=−0.85ev,ΔE=12.75ev
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