In the ground state of hydrogen, the uncer- tainty in the position of the electron is roughly 0.11 nm. The mass of an electron is 9.10939 x -31 10 10 What is the uncertainty of the speed for this electron if the speed has been measured as precisely as possible? Answer in units of m/s. kg and Planck's constant is 6.62608 × -34 J.s.

Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter5: Matter Waves
Section: Chapter Questions
Problem 18P
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In the ground state of hydrogen, the uncer-
tainty in the position of the electron is roughly
0.11 nm.
The mass of an electron is 9.10939 ×
10-31 kg and Planck's constant is 6.62608 ×
10
What is the uncertainty of the speed for
this electron if the speed has been measured
as precisely as possible?
Answer in units of m/s.
-34
J. s.
Transcribed Image Text:In the ground state of hydrogen, the uncer- tainty in the position of the electron is roughly 0.11 nm. The mass of an electron is 9.10939 × 10-31 kg and Planck's constant is 6.62608 × 10 What is the uncertainty of the speed for this electron if the speed has been measured as precisely as possible? Answer in units of m/s. -34 J. s.
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