If in a stationary wave the amplitude corresponding to anti node is 4 cm, then the amplitude corresponding to a particle of medium located exactly between a node and an anti node is
A
2cm
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B
2√2cm
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C
√2cm
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D
1.5cm
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Solution
The correct option is A2cm A node has a zero amplitude and anti-node has the maximum amplitude. So, the amplitude at anti-node is 4cm. The exact between a node and anti-node is 2cm.