Quick answer: Atoms have discrete energy levels, so an electron changing level emits or absorbs a photon whose energy equals the gap between the levels. This Physics 11-12 quiz checks atomic spectra with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This atomic spectra quiz for physics grades 11-12 has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on atomic spectra.
Ten quick questions on energy levels, electronvolts and spectra. Choose the best answer, then read the explanation to check the reasoning, especially where a typical mistake could catch you out.
Level: Physics grades 11-12 (A Level · IB · Class 11-12) · Curriculum: IB E.1
