Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
5th Edition
ISBN: 9780134378046
Author: GIANCOLI, Douglas
Publisher: PEARSON
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Chapter 38, Problem 12Q
To determine
Whether the uncertainty principle sets a limit for the preciseness of any single measurement of position.
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Question 5
1) An electron is moving along x axis with the speed of 2×106 m/s (known
with a precision of 0.50%). What is the minimum uncertainty with which
we can simultaneously measure the position of the electron along the x
axis? Given the mass of an electron 9.1×10-31 kg
Answer
The uncertainty in the velocity of an electron is 43 × 10-3 m/s. What is the uncertainty in its position? answer in units of mm accurate to two decimal places.
a measurement of an electron's speed is 3.0 x 10^6 and has an uncertainty of 5%. what is the minimum uncertainty in its position?
Chapter 38 Solutions
Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
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- Does the uncertainty principle set a limit to how well youcan make any single measurement of position? Explain.arrow_forwardThe speed of an electron is measured to within an uncertainty of 2.0 × 104 m/s. What is the size of the smallest region of space in which the electron can be confined?arrow_forwardThe uncertainty in the velocity of an electron is 53 × 10-3 m/s. What is the uncertainty in its position?Please give your answer in units of mm, accurate to two decimal places.arrow_forward
- If the speed of an electron is measured to within an uncertainty of 2.0×10 4 m/s, what wouldbe the size of the smallest region of space in which the electron can be confined? me = 9.11×10 -31kg.arrow_forwardEstimate the uncertainty in the position of a 50 kg person moving at 2m/sec?arrow_forwardThe speed of an electron is 5.67 x 106 m/s with an uncertainty of 7 x 104 m/s. What is the minimum uncertainty with which you can measure its position? Please give your answer in nanometers (1 nm = 10-9 m)arrow_forward
- If an electron has an uncertainty in its velocity of 4.10 m/s, what is the uncertainty (in meters) in its position?arrow_forwardThe speed of an electron is known to be between 5.0×106 m/sm/s and 5.8×106 m/sm/s . Estimate the uncertainty in its position.arrow_forwardIf a proton has an uncertainty in its velocity of 5.90 × 10⁻⁴ m/s, what is the uncertainty (in meters) in its position?arrow_forward
- I need the answer as soon as possiblearrow_forwardThe speed of a proton is measured to within an uncertainty of 1 × 103m/s. Calculate the length of the smallest region of space in which the electron can be confined.arrow_forwardThe uncertainty in the velocity V of a moving electron of mass 10−4010−40 kg is 2 x106m/s2 x106m/s . Calculate the uncertainty of the simultaneous measurement of its position X. [Take 6.63 x10−346.63 x10−34 ]arrow_forward
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