24.3c Ultrasound Attenuation & Absorption | A2 Medical Ultrasound | Cambridge A Level 9702 Physics

Attenuation of wave due to absorption, and the equation for exponential decrease of intensity! 00:00 Attenuation due to Absorption by Media 00:25 Attenuation - decrease in intensity/power/amplitude 03:07 Exponential decrease in intensity 05:58 Attenuation equation & absorption coefficient 09:37 Equation for Parallel breams 10:46 Fraction of reflected intensity (coefficient) 11:30 BONUS: Multi-layer attenuation and reflection #A2MedicalPhysics Applications Playlist:    • Ch24 Medical Physics | CAIE 9702 A2 Physics   #A2ultrasoundWaves Playlist    • [ARCHIVED] A2 Waves: Ultrasound | CAIE 970...   Practice Past Year Questions *starred Q's are in example videos ON14 P43 Q11 (pg5) Ultrasound, Muscle & Bone reflection* MJ16 P43 Q4 (pg7) Ratio of ultrasound & reflection MJ11 P41 Q10 (pg9) Intensity reflection coefficient MJ19 P42 Q4 (pg10) Relative magnitudes of Z values ON19 P42 Q5 (pg11) double layer fraction* MJ20 P41 Q4 (pg14) Attenuation coefficient* Instagram Pocket Guide (  / etphysics  ) More Resources (https://9702-physics.blogspot.com/) Support us! (  / etphysics  ) Tuition/Tutoring inquiries: Email: suitlin@gmail.com Whatsapp: https://wa.me/60126679171 #CambridgeALevelPhysics