Question

Question 11
The uncertainity of position of a particle weighing 25.0 g is 10-5
m. The uncertainity of its velocity is (h = 6.6 x 10 Js);
Select from the Answers below
2.1 x 10-34
0.5 x 10 -34
2.7 x70-28
50x104​

Answer 1

Answer:

THE CORRECT ANSWER IS 2.1×10-28 m/s

Explanation:

From Hisenberg's uncertainty rule,we get

Uncertainty in speed= Δu= h/(4πm⋅Δx)

⇒ 6.6×10-34

(4×3.14× 25 × 10−3 × 10−5)

⇒2.1×10−28 m/sec

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