Particle Displacements (in Cm) In A Standing Wave Are Given By                        The Distance Between A Node And The Next Anti-node Is

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Particle displacements (in cm) in a standing wave are given by 


The distance between a node and the next anti-node is


Correct option is

5.0 cm

 which gives . The distance between a node and the next antinode = λ/4 = 20/4 = 5 cm. 



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