What wavelength will result in the most accurate measurement of the momentum of an electron?

If a ground state particle is in a one-dimension square well, where is the probability of finding the particle equal to zero?

What wavelength will result in the most accurate measurement of the momentum of an electron?

If a ground state particle is in a one-dimension square well, where is the probability of finding the particle equal to zero?

Which of the following wavelengths could be used to measure the position of an electron with the greatest accuracy?

Which of the following wavelengths could be used to measure the position of an electron with the greatest accuracy?