Q.

A standing wave having 3 nodes and 2 anti-nodes is formed between two atoms having a distance 1.21 Ao between them. The wave length of the standing wave is

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a

2.42 Ao

b

1.21 Ao

c

0.46 Ao

d

4.32 Ao

answer is B.

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Detailed Solution

2 x λ2=1.21 Ao⇒λ=1.21 Ao
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