Transcription of Waves Exam Style Questions 57 Marks
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Waves Exam Style Questions 57 Marks
Waves Exam Style Questions 57 Marks My mark = ____/57 = _____% WWW EBI of the following is correct for a stationary wave? A Between two nodes the amplitude of the wave is constant. B The two Waves producing the stationary wave must always be 180 out of phase. C The separation of the nodes for the second harmonic is double the separation of nodes for the first harmonic. D Between two nodes all parts of the wave vibrate in phase. (Total 1 mark) Waves cross a boundary between two media X and Y.
full marks available for answer only 2 (ii) fringes further apart or fringe / pattern has a greater width / is wider ignore any incorrect reasoning changes to green is not enough for mark 1 (iii) increase D measure across more than 2 maxima several / few implies more than two added detail which includes
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