Calculate the de-Bronglie waveelngth for...

Calculate the de-Bronglie waveelngth for electron and protonif their speed is `10^5 m s^(-1)` .Given,mass of an electron `=9.1 xx 10^(-31) kg`,mass of proton = `1.67 xx 10^(-27) kg` and Planck's constant = `6.62 xx 10^(-34) J s`.

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