begin mathsize 36px style lambda equals fraction numerator h over denominator m. v end fraction end style

λ= De Broglie Wavelength ; m= mass ; v= velocity ; h = Plank's constant ( 6.6262 x 10-34 Js)

 

λ

m

v

 
This De Broglie equation is based on the fact that every object has a wavelength associated to it (or simply every particle has some wave character). This equation simply relates the wave character and the particle character of an object. 

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