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Question

The ratio of minimum to maximum wavelength of radiation emitted by transition of an electron, to ground state of Bohr's hydrogen atom is,

A
34
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B
14
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C
18
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D
38
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Solution

The correct option is A 34
For minimum wavelength, (λ1)
1λ1=R(1121)

λ1=1R (1)

Similarly, for maximum wavelength , λ2
1λ2=R(112122)
1λ2=R(34)
λ2=43R (2)

Dividing equation (1) and (2) we get,

λ1λ2=1R×3R4=34

Hence, (A) is the correct answer.
Why this Question?
This question is based on wavelength of the emitted radiation, during transition of an electron.

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