The Absorption & Emission of EM Radiation (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
What happens to electrons when an atom absorbs EM radiation?
What happens to electrons when an atom absorbs EM radiation?
They become excited
Where do electrons move when an atom absorbs EM radiation?
Where do electrons move when an atom absorbs EM radiation?
Further from the nucleus
What type of energy level do electrons move to during absorption of EM radiation?
What type of energy level do electrons move to during absorption of EM radiation?
Higher energy level
What process occurs when electrons move closer to the nucleus?
What process occurs when electrons move closer to the nucleus?
Emission of EM radiation
What type of energy level do electrons move to during emission of EM radiation?
What type of energy level do electrons move to during emission of EM radiation?
Lower energy level
What has an atom done if its electron has moved to a higher orbit?
What has an atom done if its electron has moved to a higher orbit?
Absorbed EM radiation
What has an atom done if its electron has fallen to a lower orbit?
What has an atom done if its electron has fallen to a lower orbit?
Emitted EM radiation
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
What can happen if an electron gains enough energy?
What can happen if an electron gains enough energy?
It can leave the atom
What is formed when an electron leaves an atom?
What is formed when an electron leaves an atom?
A positive ion