Electromagnetic (EM) Waves (AQA GCSE Physics Combined Science): 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 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
Which colour in the visible spectrum has the longest wavelength?
Which colour in the visible spectrum has the longest wavelength?
Red
Do electromagnetic waves need a medium to travel?
Do electromagnetic waves need a medium to travel?
No, they do not need a medium
What allows radio waves to travel long distances around Earth?
What allows radio waves to travel long distances around Earth?
Reflection off ionosphere
How do microwaves heat food?
How do microwaves heat food?
Water molecules absorb energy
What are infrared cameras used to detect in buildings?
What are infrared cameras used to detect in buildings?
Heat losses
What are optical fibres used for with visible light?
What are optical fibres used for with visible light?
Communication
How is ultraviolet light used in energy efficient bulbs?
How is ultraviolet light used in energy efficient bulbs?
Created inside, converted to visible
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 energy as EM wave frequency increases?
What happens to energy as EM wave 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
Which EM wave has the shortest wavelength?
Which EM wave has the shortest wavelength?
Gamma rays