Changes

Physics Key Stage 4

220 bytes added, 12:03, 17 February 2019

→‎Waves at material interfaces: applications in exploring structures

*[[Absorption]]

''Higher''

*[[Sound Wave]]s

**[[Ear]]

***[[Infrasound]]

***[[Ultrasound]]

**[[Echolocation]] - absorption reflection

**[[Ultrasound]]

*[[Seismic Wave]]s

**[[P-wave]]s

**[[S-wave]]s

***[[Structure of Earth]] - absorption of s-waves

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