Q159 / 160 · AP EAMCET 2021 (24 Aug Shift 2) · Physics

Which of the following is the property of Rydberg constant?

A
It is universal constant
Correct answer
B
It is same for all hydrogen like atom
C
It depends on the atomic number of the atom
D
It depends on the mass number of the atom

Solution

We know that, Rydberg constant, $R=\frac{e^4 m}{8 \varepsilon_0^2 h^3 c}=1.09 \times 10^7 \mathrm{~m}^{-1}$ It remains constant for a atom, like hydrogen or hydrogen like atom.

Hence, the correct answer is option: 'B'.

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