Question

# Using Rydberg's Formula find out what is dependency of wavelength of a photon emitted on the atomic number of a hydrogen like atom. (Assuming all other parameters of the equation to be constant)

A
Higher is the atomic number, more is the wavelength
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B
Higher is the atomic number, less is the wavelength
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C
Wavelength is independent of the atomic number
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D
Can't be answered using Rydberg's Formula
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Solution

## The correct option is B Higher is the atomic number, less is the wavelengthRydberg's formula is : 1λ=RZ2(1n2−1n2) Straightforward. Right!! Keeping everything else as constant, if we increase Z, 1λ increases which implies λ decreases and vice versa.

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