SATHEE: Atomic Structure Question 506

Atomic Structure Question 506

Question: The uncertainty in the position of a moving bullet of mass 10 gm is $10^{- 5} m$ . Calculate the uncertainty in its velocity [DCE 1999]

Options:

A) $5.2 \times 10^{- 28} m / s e c$

B) $3.0 \times 10^{- 28} m / s e c$

C) $5.2 \times 10^{- 22} m / s e c$

D) $3 \times 10^{- 22} m / s e c$

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Answer:

Correct Answer: A

Solution:

Uncertainty of moving bullet velocity $Δ v = \frac{h}{4 π \times m \times Δ v} = \frac{6.625 \times 10^{- 34}}{4 \times 3.14 \times .01 \times 10^{- 5}}$

$= 5.2 \times 10^{- 28} m / s e c$ .

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Atomic Structure Question 506

Question: The uncertainty in the position of a moving bullet of mass 10 gm is 10−5m . Calculate the uncertainty in its velocity [DCE 1999]

Options:

Answer:

Solution:

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Question: The uncertainty in the position of a moving bullet of mass 10 gm is $10^{- 5} m$ . Calculate the uncertainty in its velocity [DCE 1999]