At a classical physics level, physically big equates to big mass, but at the sub-atomic level, small seems to equate to big mass i.e. (short wavelength big mass relationship. "momentum=h/wavelength"). Any ideas why there is this complete contrast?(adsbygoogle = window.adsbygoogle || []).push({});

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# Small=high mass at quantum level, but big=high mass at classical level. Why?

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