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Question

Which one of the following statements about the line emission spectrum for atomic hydrogen is incorrect?


A

Electromagnetic radiation is emitted when the electron jumps back to a lower energy level.

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B

Electromagnetic radiation is emitted when the electron is promoted to a higher energy level.

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C

In the visible region of the spectrum the electron returns to the n = 2 energy level.

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D

The electron can only move between fixed energy levels.

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Solution

The correct option is B

Electromagnetic radiation is emitted when the electron is promoted to a higher energy level.


Only when electrons jump back to lower energy level from higher energy levels electromagnetic radiations are radiated.


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