According to de Broglie's equation, the wavelength associated with the motion of a particle increases as the particle mass decreases.

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According to de Broglie's equation, the wavelength of a particle is inversely proportional to its momentum, which is directly proportional to its velocity and mass. Therefore, as the particle mass decreases, its velocity increases, and the wavelength increases.

According to De Broglie's Equation, the Wavelength Associated with the Motion