Question

What is the energy emitted when electron jumps from 4th level to 2nd level?

Answer 1

$\huge{\underline{\underline{\mathfrak{Answer}}}}$

It needs to gain (-3.4) - (-13.6) = 10.2 eV of energy to make it up to the second energy level

Answer 2

Explanation:

the answer is approx. 2.55 eV