Uncertainty in position of a hypothetical subatomic particle is 1 Ao and uncertainty in velocity is 3.34π×105 m/s. Then the mass of the particle is approximately: [h=6.6×10−34Js]
A
2×10−28kg
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B
2×10−27kg
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C
2×10−29kg
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D
4×10−29kg
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Solution
The correct option is C2×10−29kg m=h4πΔVΔX=6.6×10−344×π×1×10−10×3.34π×105=2×10−29kg