Question

What is observed when a electron jumps from the second and third shell to the first one ?​

Answer 1

Answer:

When an electron drops from n = 2 to n = 1, it emits a photon of ultraviolet light. The step from the second energy level to the third is much smaller. It takes only 1.89 eV of energy for this jump.

Explanation:

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Answer 2

Answer:

photon of ultraviolet light is emitted.