The Absorption & Emission of EM Radiation (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What happens to electrons when they absorb EM radiation?
What happens to electrons when they absorb EM radiation?
Become excited and move to higher level
What happens when electrons emit EM radiation?
What happens when electrons emit EM radiation?
Move to a lower energy level
When an electron moves to a higher orbit, what has the atom done?
When an electron moves to a higher orbit, what has the atom done?
Absorbed EM radiation
When an electron falls to a lower orbit, what has the atom done?
When an electron falls to a lower orbit, what has the atom done?
Emitted EM radiation
Where do electrons move relative to the nucleus when absorbing EM radiation?
Where do electrons move relative to the nucleus when absorbing EM radiation?
Further from the nucleus
Where do electrons move relative to the nucleus when emitting EM radiation?
Where do electrons move relative to the nucleus when emitting EM radiation?
Closer to the nucleus
Over what range of frequencies can atoms absorb and emit EM waves?
Over what range of frequencies can atoms absorb and emit EM waves?
A wide range of frequencies
What happens if an electron gains enough energy?
What happens if an electron gains enough energy?
Can leave the atom
What type of ion forms when an electron leaves an atom?
What type of ion forms when an electron leaves an atom?
Positive ion
What causes electrons to become 'excited'?
What causes electrons to become 'excited'?
Absorption of EM radiation