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[" The uncertainty in the position of an...

[" The uncertainty in the position of an electron "(mass=],[9.1times10^(-28)g" ) moving with a velocity of "3.0times10^(4)cmS^(-1)],[" accurate upto "0.001%" will be "],[" (Use "(h)/(4 pi)in" the uncertainty expression,where "],[h=6.626times10^(-27)erg-s" ) "],[[" (a) "1.92cm," (b) "7.68cm],[" (c) "5.76cm," (d) "3.84cm]]

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