Electromagnetic Waves (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of wave are electromagnetic waves?
What type of wave are electromagnetic waves?
Transverse waves
At what speed do all EM waves travel through a vacuum?
At what speed do all EM waves travel through a vacuum?
m/s
In visible light, which colour has the longest wavelength?
In visible light, which colour has the longest wavelength?
Red
What happens to frequency as wavelength decreases for EM waves?
What happens to frequency as wavelength decreases for EM waves?
Frequency increases
What happens to the energy of an EM wave as its frequency increases?
What happens to the energy of an EM wave as its frequency increases?
Energy increases
Which part of the EM spectrum can the human retina detect?
Which part of the EM spectrum can the human retina detect?
Visible light only
What allows radio waves to travel long distances around Earth?
What allows radio waves to travel long distances around Earth?
Reflection off ionosphere
Why do microwaves heat food?
Why do microwaves heat food?
Water molecules absorb energy
What are infrared cameras used to check in buildings?
What are infrared cameras used to check in buildings?
Heat losses
Why can visible light carry a large amount of information in fibre optics?
Why can visible light carry a large amount of information in fibre optics?
Short wavelengths
Why are bones visible on X-ray images?
Why are bones visible on X-ray images?
X-rays are absorbed by bones
What happens to UV light inside energy efficient light bulbs?
What happens to UV light inside energy efficient light bulbs?
Converted to visible light