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The velocity associated with a proton...

The velocity associated with a proton moving in a potential difference of 100 v is `4.37 xx 10^(5) ms^(-1)` .if the hockey ball of mass 0.1 kg is moving with this velocity , calculate the wavelength associated with this velocity

Text Solution

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`h= 6.626 xx 10^(34) J s= 6.625 xx 10^(34) kg m^(2) s^(-10`
`v= 4.37 xx 10^(5) ms^(-1) m=-0.1 kg`
According to de Broglie
`lambda = (h)/(mv) = (6.626 xx 10^(34) kg m^(2) s^(1))/(0.1kg 4.37 xx 10^(5) ms^(1))`
`=1.516 xx 10^(38) m`
`=1.516 xx 10^(26) pm`
Note , this wavelength is least .So the ball with high speed does not posses wave nature.
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