Answer:
good morning you are you still
Question:
A particle is trapped in a 20 nm wide infinite potential well. What is the wavelength of the particle corresponding to n = 7 in nm?
Answer:
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Explanation:
Given
--- the width

Required
Determine the wavelength (
)
This is calculated as:

Substitute values for L and n




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<em> --- approximated to 3 significant figures</em>