1.

When uncertainty in position and momentum are equal, then uncertainty in velocity is

Answer»

`sqrt(h/(PI))`
`1/2 sqrt(h/(pi))`
`1/(2M)sqrt(h/(pi))`
`2m sqrt(h/(pi))`

SOLUTION :Let `Deltax=Deltap=x`
`:.Deltax xx Deltap=h/(4pi)`
`x xx x =h/(RPI) `or `x^(2)=h/(4pi)`
`x=1/2s at (h/(pi))`
Now `x=mv`
`:.v=1/(2m)sqrt(h/(pi))`


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