In the ground state of hydrogen, the uncer-tainty in the position of the electron is roughly0.11 nm.The mass of an electron is 9.10939 ×10-31 kg and Planck's constant is 6.62608 ×10What is the uncertainty of the speed forthis electron if the speed has been measuredas precisely as possible?Answer in units of m/s.-34J. s.

Answered: Image /qna-images/answer/4a04e8b3-df7c-4b05-a7c7-850182aa75a6.jpg

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.

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 19P

See similar textbooks

Similar questions

Check Your Understanding A sodium atom nukes a transition from the first excited state the wound state, emitting a 589.0-nm photon with energy 2.105 eV. If the lifetime of this excited state is 16108s, what is the uncertainty in energy of this state? What is width of the corresponding line?
What is the velocity of a 0.400-kg billiard ball if its wavelength is 7.50 fm?
What is the de Brogue wavelength of a 10-kg football player running at a speed of 8.0 m/s?
Calcúlate the uncertainty for momentum p, when the mass of the object is 15.0 (+-) 0.2kg with a velocity of 7.0 (+-) 0.5m/s. What is the uncertainty percentage of the momentum?
An electron remains in an excited state of an atom fortypically 10-8 s What is the minimum uncertainty in theenergy of the state (in eV)?
An initially stationary electron is accelerated through a voltage 93.6 eV. What is it's de Broglie wavelength, in pm?
The diameter of a Hydrogen atom is about 10.6 nm. What is the minimum uncertainty in momentum of an electron along this diameter if it's uncertainty in position is equal to the diameter of the atom? a) 1.17 x 10^-25 kgm/s b)9.94 x 10^-26 kgm/s c)1.17x10^-26 kgm/s d) 9.94x10^-27 kgm/s e)
You measure the velocity of an electron to an accuracy of + or - 22.1 m/s. What is the minimum uncertainty in its position?
A proton is accelerated to a speed of 2.10*10^5 m/s. If the uncertainty in the measured speed is 5% what is the minimum uncertainty in the position of the proton?
The diameter of a Hydrogen atom is about 10.6 nm. What is the minimum uncertainty in momentum of an electron along this diameter if it's uncertainty in position is equal to the diameter of the atom? Question 8 options: 1.17*10-25kgms 9.94*10-26kgms 1.17*10-26kgms 9.94*10-27kgms None of the other responses are correct.
What is the velocity (in m/s) of a 0.430 kg billiard ball if its wavelength is 7.70 cm (large enough for it to interfere with other billiard balls)?
The quantum-mechanical treatment of the hydrogen atomgives the energy, E, of the electron as a function of the principal quantum number, n:E=-h²/8π²mₑ²aₒ²n² (n=123...) where his Planck’s constant, meis the electron mass, and a0 is 52.92X10⁻¹² =-m.(a) Write the expression in the form E(constant)=-(constant)1/n² , evalu-ate the constant (in J), and compare it with the corresponding expression from Bohr’s theory.(b) Use the expression to find ΔE between n=2 and n=3.(c) Calculate the wavelength of the photon that corresponds tothis energy change. Is this photon seen in the hydrogen spectrumobtained from experiment