IB Physics-Theme C-Waves- Paper2-Qc#2 Snell's law and Doppler Effect (HL)

[@supercat19]

Could you please not skip over questions when solving, you skipped 2 d) and e) and you have skipped before in other videos as well, it can be confusing.

[@alfredwegener9813]

Bro what's 2e??