Required Practical: Measuring Wave Properties (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What is the amplitude of a wave?
What is the amplitude of a wave?
Max displacement from undisturbed position
For longitudinal waves, how is wavelength measured?
For longitudinal waves, how is wavelength measured?
From one compression to the next
What does frequency measure?
What does frequency measure?
Number of waves passing a point per second
What is the relationship between period and frequency?
What is the relationship between period and frequency?
What type of food absorbs microwaves?
What type of food absorbs microwaves?
Foods containing water molecules
How do metals interact with microwaves?
How do metals interact with microwaves?
They reflect microwaves
Which surfaces absorb light waves?
Which surfaces absorb light waves?
Black surfaces
What happens when an electron returns to its original energy level?
What happens when an electron returns to its original energy level?
An electromagnetic wave is generated
What happens to the nucleus after emitting a gamma ray?
What happens to the nucleus after emitting a gamma ray?
It has less energy than at the start
What are two health effects of ultraviolet waves?
What are two health effects of ultraviolet waves?
Skin cancer risk and premature ageing
What does ionising radiation do to atoms?
What does ionising radiation do to atoms?
Knocks electrons off atoms
What units are used to measure radiation dose?
What units are used to measure radiation dose?
Sieverts (Sv) or millisieverts (mSv)
How are radio waves produced?
How are radio waves produced?
Electrons oscillate in electrical circuits