The Absorption & Emission of EM Radiation (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
9 questions from this quiz
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Practise the questions
9 questions from this quiz
What happens to electrons when they absorb EM radiation?
What happens to electrons when they absorb EM radiation?
They become excited and move to higher level
What occurs when an atom emits EM radiation?
What occurs when an atom emits EM radiation?
Electrons 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
What forms if an electron gains enough energy to leave the atom?
What forms if an electron gains enough energy to leave the atom?
A positive ion
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 type of energy level do electrons move to when they move further from the nucleus?
What type of energy level do electrons move to when they move further from the nucleus?
A higher energy level
What energy level do electrons move to when they move closer to the nucleus?
What energy level do electrons move to when they move closer to the nucleus?
A lower energy level
What causes electrons to become 'excited'?
What causes electrons to become 'excited'?
Absorption of EM radiation