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A body of mass 70 kg travels with a spee...

A body of mass 70 kg travels with a speed of 15 km/hour. Calculate the de-Broglie wavelength of the body.

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Given that : `m=0.12 kg, v=20 m//s`
`h=6.62xx10^(-34)J-sec`.
`lambda=(h)/(p)=(h)/(mv)`
`lambda=(6.62xx10^(-34))/(0.12xx20)=2.758xx10^(-34)m`
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