tikz pgf - Draw P and S waves illustration - TeX - LaTeX Stack Exchange

I need some help with drawing similar figures. Don't care about colour. Thanks.

Refraction –

Roby-Gould bond indices as a tool for understanding chemical bonding from a mathematical and quantum mechanical perspective - ScienceDirect

Refraction –

latex:tikz [CMS Wiki Pages]

GitHub - f0nzie/tikz_favorites: collection of favorite TikZ graphics

Is there an ideal LaTeX flowchart or block diagrams package? - Quora

Polarization by scattering –

latex:tikz [CMS Wiki Pages]

TikZ and pgf

tikz pgf - sketching simple arrows with different direction - TeX - LaTeX Stack Exchange