2022 CAIE AS & A level February March Physics Paper 12 Q. No. 24 (9702/12/F/M/22) by Sajit C Shakya

2022 CAIE AS & A level February March Physics Paper 12 Q. No. 24 (9702/12/F/M/22) by Sajit Chandra Shakya from Nepal Chapter - SUPERPOSITION Two coherent progressive waves from different sources meet at a point. Which condition must be satisfied for there to be zero resultant amplitude at the point where the waves meet? A The two waves must be emitted from their sources with the same intensity. B The two waves must be in phase with each other at the point. C The two waves must be travelling in opposite directions. D The two waves must have the same amplitude at the point.