9. Quantum Mechanics
Speed of Light
9. Quantum Mechanics Speed of Light
13PRACTICE PROBLEM
Heavy elements emit characteristics X-ray when their electrons undergo transitions. Shown below are the wavelengths of x-rays emitted by some elements:
Element Wavelength (Å)
Cr 2.291
Fe 1.937
Co 1.790
Cu 1.542
Mo 0.7107
For each element, calculate the frequency (Hz) of the X-ray emitted.
Heavy elements emit characteristics X-ray when their electrons undergo transitions. Shown below are the wavelengths of x-rays emitted by some elements:
Element Wavelength (Å)
Cr 2.291
Fe 1.937
Co 1.790
Cu 1.542
Mo 0.7107
For each element, calculate the frequency (Hz) of the X-ray emitted.