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what will be the wavelength of a ball of mass 0.1 kg moving with a velocity of `10 m s^(-1)` ?

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According to de Broglie equation
`lambda=(h)/(mv)=((6.626xx10^(-34) Js))/((0.1 kg)(10 ms^(-1)))=6.626xx10^(-34) m (J=kg m^(2) s^(-2))`
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