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Question

Energy level A, B, C of a certain atom corresponds to increasing values of energy, i.e., EA<EB<EC.

λ1,λ2,λ3 are the wavelengths of the radiation corresponding to the transitions C to B, B to A and C to A respectively. Which of the following statement(s) is/are correct?

A
λ=λ1+λ2
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B
λ3=λ1λ2λ1+λ2
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C
λ1=λ2+λ3=0
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D
λ23=λ21+λ22
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Solution

The correct option is B λ3=λ1λ2λ1+λ2
Given that:
ΔEAB+ΔEBC=ΔECA

We know,
E1λ
1λ3=1λ2+1λ1
λ3=λ1λ2λ1+λ2

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