EM Waves & Atoms (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What happens to an electron when an atom absorbs EM radiation?
What happens to an electron when an atom absorbs EM radiation?
Moves to a higher orbit
What happens when an electron falls to a lower orbit in an atom?
What happens when an electron falls to a lower orbit in an atom?
The atom emits EM radiation
What forms when an electron gains enough energy to leave an atom?
What forms when an electron gains enough energy to leave an atom?
An ion
Where do gamma rays originate from?
Where do gamma rays originate from?
Changes in the nucleus
Which types of EM radiation are hazardous to human body tissue?
Which types of EM radiation are hazardous to human body tissue?
UV light, X-rays, and gamma rays
What health risk does UV radiation increase?
What health risk does UV radiation increase?
Skin cancer
How can X-rays and gamma rays cause cancer?
How can X-rays and gamma rays cause cancer?
By mutating genes through ionisation
Why can radio waves travel far without losing quality?
Why can radio waves travel far without losing quality?
They have long wavelengths
Why are microwaves suitable for satellite communication?
Why are microwaves suitable for satellite communication?
They can penetrate the atmosphere
What type of energy do infrared waves transfer?
What type of energy do infrared waves transfer?
Thermal energy
Why is visible light used in fibre optics?
Why is visible light used in fibre optics?
Best reflection/scattering in glass
What property makes X-rays useful for medical imaging?
What property makes X-rays useful for medical imaging?
They can penetrate material easily