Electromagnetic Waves (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
How does the frequency of an EM wave affect the energy it carries?
How does the frequency of an EM wave affect the energy it carries?
Higher frequency = more energy
Which types of EM waves are the most dangerous to living things?
Which types of EM waves are the most dangerous to living things?
Gamma rays and X-rays
How do gamma rays and X-rays harm the body?
How do gamma rays and X-rays harm the body?
They damage DNA and cause mutations
What health problems can long-term UV exposure cause?
What health problems can long-term UV exposure cause?
Skin cancer and eye damage
How do microwaves cause harm to body cells?
How do microwaves cause harm to body cells?
They heat up water molecules
Which type of EM wave is generally safe for humans?
Which type of EM wave is generally safe for humans?
Radio waves
What is a medical use of gamma rays?
What is a medical use of gamma rays?
Sterilise equipment and treat cancer
In an X-ray image, what do the light/white areas show?
In an X-ray image, what do the light/white areas show?
Bones (X-rays blocked)
What is a use of ultraviolet light?
What is a use of ultraviolet light?
Sterilise water
What is a common use of infrared radiation?
What is a common use of infrared radiation?
Cooking food in grills and toasters
What are the units used to measure radiation dose?
What are the units used to measure radiation dose?
Sieverts (Sv) and millisieverts (mSv)
What is the safe level of background radiation per year?
What is the safe level of background radiation per year?
Less than 1 mSv