Question

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

• A. 1.21 Å
• B. 2.42 Å
• C. 6.05 Å
• D. 3.63 Å

Answer 1

Answer: (A)

1.21 Å

Answer 2

$\lambda = 1.21Å$