A dust particle of mass 2mg is carried b...

A dust particle of mass 2mg is carried by wind with a velocity of 100m/s. What is the de broglie wavelength associated with the dust particle ? `(h=6.64xx10^(-34)J-s)`

`3.32xx10^(-31)m`

`6.64xx10^(-30) m`

`3.32xx10^(-34) m`

`3.32xx10^(-30) m`

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The correct Answer is:

`lamda = (h)/(mv) = (6.64xx10^(-34))/(2xx10^(-3)xx10^(-3) xx100xx10^(-2))`
`=3.32xx10^(-28) m`

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