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Calculate the de Broglie wavelength of a...

Calculate the de Broglie wavelength of a ball of mass 0.05 kg moving with a velocity of `50 ms^(-1)`.

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From de Broglie equation, `lambda=(h)/(mv)=(6.626xx10^(-34)Js)/(0.05kg xx50ms^(-1)) =2.65xx10^(-34)m`
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