# Question

Calculate the velocities of electrons with de Broglie wavelengths of 1.0 × 102 nm and 1.0 nm, respectively.

## Answer to relevant Questions

An atom of a particular element is traveling at 1% of the speed of light. The de Broglie wavelength is found to be 3.31 × 10-3 pm. Which element is this? Consider the following waves representing electromagnetic radiation: Which wave has the longer wavelength? Calculate the wavelength. Which wave has the higher frequency and larger photon energy? Calculate these values. Which ...One of the emission spectral lines for Be3+ has a wave-length of 253.4 nm for an electronic transition that begins in the state with n = 5. What is the principal quantum number of the lower-energy state corresponding to this ...Discuss what happens to the energy levels for an electron trapped in a one-dimensional box as the length of the box increases. Which of the following sets of quantum numbers are not allowed? For each incorrect set, state why it is incorrect. a. n = 3, ℓ = 3, mℓ = 0, ms = - 1/2 b. n = 4, ℓ = 3, mℓ = 2, ms = - 1/2 c. n = 4, ℓ = 1, mℓ = 1, ...Post your question

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