Physics Notes: Factors affecting absorption/emission of electromagnetic radiation

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The absorption and emission of electromagnetic radiation by materials - temperature and surface factors

with an emphasis on the absorption and emission of thermal radiation (ir)

Sub-index for section on absorption - emission of radiation by materials

1. Introduction to the absorbing and emitting of radiation across the EM spectrum

2. Relating temperature to the intensity, frequency and wavelength of emitted radiation

3. Different surfaces and their reflection and absorption of thermal radiation (infrared)

4. The Earth's surface temperature and 'Global Warming' - the greenhouse effect

5. The super 'greenhouse effect' on the planet Venus

See also Heat energy transfer - including radiation and

Electromagnetic spectrum, sources, types, properties, uses, dangers including infrared

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WAVES - electromagnetic radiation, sound, optics-lenses, light and astronomy revision notes index

General introduction to the types and properties of waves, ripple tank expts, how to do wave calculations

Illuminated & self-luminous objects, reflection visible light, ray box experiments, ray diagrams, mirror uses

Refraction and diffraction, the visible light spectrum, prism investigations, ray diagrams explained

Electromagnetic spectrum, sources, types, properties, uses (including medical) and dangers

The absorption and emission of radiation by materials - temperature & surface factors including global warming

See also Global warming, climate change, reducing our carbon footprint from fossil fuel burning

Optics - types of lenses (convex, concave, uses), experiments and ray diagrams, correction of eye defects

The visible spectrum of colour, light filters and explaining the colour of objects 

Sound waves, properties explained, speed measure, uses of sound, ultrasound, infrasound, earthquake waves

The Structure of the Earth, crust, mantle, core and earthquake waves (seismic wave analysis)

Astronomy - solar system, stars, galaxies and use of telescopes and satellites

The life cycle of stars - mainly worked out from emitted electromagnetic radiation

Cosmology - the Big Bang Theory of the Universe, the red-shift & microwave background radiation


INDEX of all notes on waves, radiation, astronomy etc.

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