Uncertainty in position of an electron (mass =9.1 \times 10^{-28} {g} ) moving with a velocity of 3 \times 10^{4} {cm}{/} {s} accurate upto 0.001 \% will be (Use h{/}(4 \pi) in uncertainty expression where h=6.626 \times 10^{-27} erg second) (1995)

Class 11 NEET Chemistry Structure Of Atom Questions

Question : 67 of 84

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Uncertainty in position of an electron (mass =9.1×10−28g ) moving with a velocity of 3×104cm/s accurate upto 0.001% will be (Use h/(4π) in uncertainty expression where h=6.626×10−27 erg second)

(1995)

5.76cm
7.68cm
1.93cm
3.84cm

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