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Q.

The energy levels of an atom is shown in figure 

Question Image

Which one of these transitions will result in the emission of a photon of wavelength 124.1 nm? 

(Given h=6.62×10−34Js

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a

C

b

B

c

A

d

D

answer is B.

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Detailed Solution

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E=1241λ(nm)ev⇒1241124.1e⋅v⇒E=10.0eV

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