# Problem: Calculate the de Broglie wavelength for a proton moving with a speed of 7x106 m/s. The mass of a proton is 1.67262 x 10-27 kg and Planck’s constant is 6.62607x10-34 J•s. Answer in units of m.

###### FREE Expert Solution

De Broglie wavelength is:

$\overline{){\mathbf{\lambda }}{\mathbf{=}}\frac{\mathbf{h}}{\mathbf{m}\mathbf{v}}}$, where h is the Plank's constant, v is the speed, and m is the mass of a proton.

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###### Problem Details

Calculate the de Broglie wavelength for a proton moving with a speed of 7x106 m/s. The mass of a proton is 1.67262 x 10-27 kg and Planck’s constant is 6.62607x10-34 J•s. Answer in units of m.