The Electromagnetic Spectrum (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What type of waves are electromagnetic waves?
What type of waves 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
Which colour of visible light has the longest wavelength?
Which colour of visible light has the longest wavelength?
Red
Which part of the EM spectrum can the human eye detect?
Which part of the EM spectrum can the human eye detect?
Visible light only
What are radio waves used for?
What are radio waves used for?
Transmission of radio and TV signals
How can longer radio waves spread out between hills?
How can longer radio waves spread out between hills?
Due to diffraction
Why do microwaves heat food effectively?
Why do microwaves heat food effectively?
Water molecules absorb the energy
Why are microwaves suitable for satellite communication?
Why are microwaves suitable for satellite communication?
They pass through the atmosphere
What are infrared cameras used for in buildings?
What are infrared cameras used for in buildings?
Checking for heat losses
What transmits pulses of light for communication?
What transmits pulses of light for communication?
Optical fibres
How is ultraviolet light used in energy efficient bulbs?
How is ultraviolet light used in energy efficient bulbs?
UV is converted to visible light
What are X-rays used to visualise in medical imaging?
What are X-rays used to visualise in medical imaging?
Broken bones
What happens to wave energy as frequency increases?
What happens to wave energy as frequency increases?
Energy increases