Electron in hydrogen atom first jumps from third excited state to second excited

Electron in hydrogen atom first jumps from third excited state to second excited state and then from second excited to the first excited state. The ratio of the wavelengths λ₁:λ₂ emitted in the two cases is

Options

(a) (7/5)
(b) (27/20)
(c) (27/5)
(d) (20/7)

Correct Answer:

(20/7)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
  2. The logic behind NOR gate is that it gives
  3. A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
  4. If force is proportional to square of velocity, then the dimension of proportionality
  5. In the phenomenon of electric discharge through gases at low pressure,