A-LevelPhysicsWavesMay/June 2020Paper 2 Q411 Marks
(a) State the difference between progressive waves and stationary waves in terms of the transfer of energy along the wave. (b) A progressive wave travels from left to right along a stretched string. Fig. 4.1 shows part of the string at one instant. [Figure 4.1] P, Q and R are three different points on the string. The distance between P and R is 0.48 m. The wave has a period of 0.020 s.
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