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A standing wave having 3 nodes and 2 ant...

A standing wave having 3 nodes and 2 antinodes is formed between two atoms having a distance 1.21Å between them. The wavelength of the standing wave is

A

`6.05` Å

B

`1.21` Å

C

`2.42` Å

D

`3.63` Å

Text Solution

Verified by Experts

The correct Answer is:
B

The distance between two atoms
= The distance between the first and third nodes
` = 2 ( lambda/2) = lambda = 1.21` Å
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