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Perguntas do quiz (16)
1What is Electromagnetic Radiation?
- AA range of electromagnetic waves consisting of oscillating electric and magnetic fields travelling at the speed of light
- BThe entire range of frequencies of electromagnetic radiation from high-energy gamma rays to low-energy radio waves.
2What is the Electromagnetic spectrum?
- AThe entire range of frequencies of electromagnetic radiation, from high-energy gamma rays to low-energy radio waves.
- BA range of electromagnetic waves consisting of oscillating electric and magnetic fields travelling at the speed of light.
3What is an electromagnetic wave?
- ATransverse electric and magnetic fields positioned at right angles to eachother and travelling through empty space at the speed of light.
- BThe entire range of frequencies of electromagnetic radiation, from high energy gamma rays to low-energy radio waves.
4What is frequency?
- AThe number of waves produced per second, measured in hertz (Hz)
- BThe amount of Electromagnetic Radiation.
5What is Gamma rays?
- AExtremely high-energy electromagnetic radiation emitted by radioactive materials
- BA band of the electromagnetic spectrum that's more powerful than lower frequency outlets.
6What is infrared radiation?
- AA band of electromagnetic spectrum with energies just below that of visible light, detected by our skin as heat.
- BA wave in which it's particles vibrate in the same direction as that of the wave itself.
7What is longitudinal waves?
- AA wave in which its particles vibrate in the same direction as that of the wave itself.
- BElectromagnetic radiation with wavelengths ranging from a fraction of a millimetre to tens of centimetres, used in communication and cooking
8What are microwaves?
- AElectromagnetic radiation with wavelengths ranging from a fraction of a millimetre to tens of centimetres, used in communication and cooking.
- BElectromagnetic radiation with wavelengths ranging from hundreds of metres to tens of centimetres used in communication.
9What are Radio waves?
- AElectromagnetic radiation with wavelengths ranging from hundreds of metres to tens of centimetres used in communication.
- Ba
10What are Radio waves?
- AElectromagnetic radiation with wavelengths ranging from hundreds of metres to tens of centimetres used in communication.
- Ba
11What are Radio waves?
- AElectromagnetic radiation with wavelengths ranging from hundreds of metres to tens of centimetres used in communication.
- BElectromagnetic radiation with wavelengths ranging from a fraction of a millimetre to tens of centimetres, used in communication and cooking.
12What are Transverse waves?
- AA wave in which its particles vibrate at right angles to the direction of motion of the wave.
- BA band of electromagnetic radiation with energies just about those of visible light, contained in sunlight.
13Whats ultraviolet (UV) light?
- AA band of electromagnetic radiation with energies just about those of visible light, contained in sunlight.
- BA band of electromagnetic radiation detected by our eyes.
14What's visible light?
- AA band of electromagnetic radiation detected by our eyes.
- BA band of electromagnetic radiation with energies that isn't detected by our eyes.
15What's wave motion?
- AThe transfer of energy without transferring matter.
- BThe distance between successive wave crests, measured in m.
16What's wavelengths?
- AThe distance between successive wave crests, measured in m.
- BThe transfer of energy without transferring matter.
Informações
- Descrição
- Quiz sobre Sem título, criado por emily_is_amazing em 06-11-2014.
- Autor
- emily_is_amazing
- Idioma
- English
- Visualizações
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