An atom has mass of 0.02kg and uncertainty in its velocity is 9.218×10−6m/s then uncertainty in position is (h=6.626×10−34Js)
2.86×10−28m
1.5×10−27m
3.9×10−10m
2.86×10−32cm
A
2.86×10−32cm
B
2.86×10−28m
C
3.9×10−10m
D
1.5×10−27m
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Solution
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P×△x≥h4x
0.02×9.218×10−6×△x≥6.626×10−344×3.14
△x≥6.626×10−344×3.14×0.02×9.218×10−6
△x≥2.86×10−28
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