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27 Cards in this Set
- Front
- Back
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Waves |
Waves |
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What is the definition of Diffraction |
The bending/Spreading out of waves as they pass a barrier |
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What is a Transverse Wave |
Particles vibrate at right angles to the direction of travel |
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What is a Longitudinal Wave |
Particles vibrate back and forth along the direction of travel |
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EM Spectrum |
EM Spectrum |
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What order does light split into |
Red, Orange, Yellow, Green, Blue, Indigo, Violet |
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What speed do waves in the EM spectrum travel |
3x10^8 (Speed of light) |
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Name the EM Spectrum |
Radio Waves, Microwaves, Infrared Radiation, Visible Light, Ultra Violet, X-Rays, Gamma Rays |
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Name a use of Gamma Radiation |
Sterilise food and medical equipment |
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Name a use of X-Rays |
Medical - See bones |
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Name a use of UV rays |
Tanning Lamps, Water Treatment |
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Name a use of Visible Light |
Photography & Human vision |
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Name a use of Infrared Radiation |
Heaters, Night vision, TV remotes |
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Name a use of Microwave Radiation |
Cook food, Radar |
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Name a use of Radio Waves |
Broadcasting & Communication |
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Light |
Light |
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What happens when light changes from one material to another |
It changes speed |
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Name angle A and B |
A= Angle of Refraction B= Angle of Incidence |
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Nuclear Radiation |
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What are the 3 types of radiation emitted from an atom |
Alpha, Beta & Gamma |
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Order the 3 types of radiation into low ionisation density to high ionisation density |
Gamma, Beta, Alpha |
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What type of charge does a Proton have |
Positive |
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What type of charge does a Neutron have |
Neutral |
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What type of charge does an electron have |
Negative |
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Where is a proton located in an atom |
Nucleus |
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Where is a neutron located in the atom |
Nucleus |
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Where is the electron located in the atom |
Orbits around the nucleus |
