Flashcards
2.2 The electromagnetic spectrum
Cards in this deck (14)
- 1what is the electromagnetic spectrum?a continuous spectrum of all electromagnetic waves arranged according to frequency and wavelength
- 2How do these waves travel in a vacuum?all types of electromagnetic waves travel at the same speed through a vacuum (space)
- 3what is the order of the electromagnetic spectrum?radio waves
microwaves
infrared
visible light
ultraviolet
X-rays
gamma rays - 4does gamma rays have the lowest or highest energy?highest energy
- 5does radio waves have the highest or lowest frequency?lowest
- 6is the wavelength longer at radio waves or gamma rays?radio waves have the longest wavelength
- 7what is the typical wavelength of radio waves?10 power of 4 > 10
- 8what is the typical wavelength of micro waves?10 > 10 power -2
- 9what is the typical wavelength of infrared?10 power-2 > 10 power-4
- 10what is the typical wavelength of visible light?10 power -4 > 10 power-5
- 11what is the typical wavelength of UV waves?10 power -5 > 10 power-7
- 12what is the typical wavelength of X-rays ?10 power-7 > 10 power-10
- 13what is the typical wavelength of gamma rays?10 power-10 to 10 power- 15
- 14What 4 types of waves can be used for communication?Radio waves, microwaves, infrared and visible light
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- IGCSE Physics Flashcards on 2.2 The electromagnetic spectrum, created by Lara Davies on 22/02/2017.
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- Lara Davies
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