1.

The uncertainty in the position of a moving bullet of mass 10g is 10^(-5).Calculate the uncertainty in its velocity?

Answer»

SOLUTION :Acooding to uncertainty PRICIPLE,
`/_\x.m/_\v=h/(4PI)or /_\v=h/(4pim/_\x),h=6.626xx10^(-34)KGM^(2)kgm^(2)s^(-1),m=10g=10^(-2)kg`
`/_\x=10^(-5)m,/_\v=((6.626xx10^(-34)kgm^(2)s^(-1)))/(4xx3.143xx(10^(-2)kg)xx(10^(-5),m))=5.27xx10^(-28)mv`


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