Question

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Answer 1

Logic:

According to Heisenberg's uncertainty principle, the product of uncertainties in position (Δx) and velocity (Δv) is always equal to or greater than h/nπ.

i.e.



What is the meaning of "accurate up to 0.001%"?

It indicates that the uncertainty in velocity is 0.001% of actual value, 300 m s-1.

i.e.

uncertainty in velocity (Δv) = 300 x 0.001 / 100 = 3 x 10-3 m s-1

Solution:

The uncertainty in position (Δx) can be calculated as follow

Answer 2

(c) is the correct option