Concept — Power per unit area carried by a wave.
Present in chapters
16·19
Linked atoms
22 linked atoms.
16 Onde
- Intensity of a 3 kW light bulb
- Intensity and distance from the source
- Problem — Maximum distance of a thunderclap
- Problem — Acoustic power of a conversation
- Problem — Ranking the power of four waves
19 Le equazioni di Maxwell e le onde elettromagnetiche
- Dipole antenna
- Worked example — Solar panel
- Worked example — The Sun, Milan-Naples and mass loss
- Polarising filters and Malus’s law
- Problem — Amplitude E0 from intensity
- Problem — Amplitude E0 from solar irradiance
- Problem — Amplitudes of the solar wave
- Problem — Intensity from E0
- Problem — WiFi intensity at 10 metres
- Problem — Reading the I vs r graph
- Problem — Crossed polarisers
- Problem — Crossed polarisers with one in between
- Problem — Power from flux density
- Problem — Ranking intensity at different distances
- Problem — Ranking the intensity of four waves
- Problem — Summary of amplitudes and intensities
- Poynting vector and intensity