3.20 describe the role of total internal reflection in transmitting information along optical fibres and in prisms Total Internal Reflection: Used to transmit signals along optical fibres. Related Posts:1.01 use the following units: kilogram (kg), metre (m), metre/second (m/s),…1.03 plot and explain distance-time graphs1.04 know and use the relationship between average speed, distance moved and time taken1.06 know and use the relationship between acceleration, change in velocity and time taken1.07 plot and explain velocity-time graphs1.09 determine the distance travelled from the area between a velocity-time graph and the time axis stuart2022-11-29T15:00:49+00:00Categories: (d) Light and sound, 3 Waves, Edexcel iGCSE Physics, Uncategorized|Tags: Double, GCSE, GCSE _Physics_Single, GCSE_Physics_SpecPoint, Physics, SpecPoint, Topic: Challenging Waves, Topic: Light| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail