Question

Q.2 The uncertanity in position & velocity of a particle are 10-10 m and 5.27x 10-24

ms-1

respectively.Calculate the mass of the particle. (h = 6.62X 10-34 Js)





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Answer 1

ANSWER

According to Heisenberg's uncertainty principle,

Δx⋅mΔv=

4π

h

or m=

4πΔx⋅Δv

h

=

4×3.143×10

−10

×5.27×10

−24

6.625×10

−34

=0.099kg.

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