NEET · Physics · STD 12 - 12. atoms
The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is
- A 1
- B 4
- C 0.5
- D 2
Answer & Solution
Correct Answer
(B) 4
Step-by-step Solution
Detailed explanation
The wavelength of last line of Balmer series \(\frac{1}{\lambda_{B}}=R c\left(\frac{1}{2^{2}}-\frac{1}{\infty^{2}}\right)=\frac{R c}{4}\)
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