EM Waves & Matter (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are the four possible interactions when EM waves move from one medium to another?
What are the four possible interactions when EM waves move from one medium to another?
Transmission, absorption, reflection, refraction
What happens to the energy when EM waves are absorbed by a medium?
What happens to the energy when EM waves are absorbed by a medium?
Converted to other forms, like heat
What causes EM waves to refract when entering a new medium?
What causes EM waves to refract when entering a new medium?
Change in speed
How does glass interact with visible light?
How does glass interact with visible light?
Transmits and refracts it
How does glass interact with UV radiation?
How does glass interact with UV radiation?
Absorbs it
How does glass interact with infrared (IR) radiation?
How does glass interact with infrared (IR) radiation?
Reflects it
At what speed do EM waves travel in a vacuum?
At what speed do EM waves travel in a vacuum?
The same speed
Which materials cause EM waves to slow down compared to a vacuum?
Which materials cause EM waves to slow down compared to a vacuum?
Water, glass, and oil
Why does a wavefront bend when entering a new medium?
Why does a wavefront bend when entering a new medium?
Different parts enter at different times
What factors affect how EM waves interact with materials?
What factors affect how EM waves interact with materials?
Wavelength and material properties