The wavelength of Lymen series for first number is

• Correct answer
  A

  $\frac{4 \times 1.097 \times 10^7}{3} \mathrm{~m}$
• B

  $\frac{3}{4 \times 1.097 \times 10^7} \mathrm{~m}$
• C

  $\frac{4}{3 \times 1.097 \times 10^7} \mathrm{~m}$
• D

  $\frac{3}{4} \times 1.097 \times 10^7 \mathrm{~m}$

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