\(\lambda_2\) and \(\lambda_4\) are the wavelengths of photons required to excite the Hydrogen atom from its ground state to its second and fourth excited states, respectively. What is the correct ratio \(\lambda_2 / \lambda_4\) ?

• A

  0.25
• B

  4.0
• Correct answer
  C

  1.25
• D

  0.8

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