# Question: According to the Bohr theory of the hydrogen atom the

According to the Bohr theory of the hydrogen atom, the speed of the electron in the first Bohr orbit is 2.19 x 106 m/s.

(a) What is the wavelength of the matter wave associated with the electron?

(b) How does this wavelength compare with the circumference of the first Bohr orbit?

(a) What is the wavelength of the matter wave associated with the electron?

(b) How does this wavelength compare with the circumference of the first Bohr orbit?

## Answer to relevant Questions

(a) What is the de Broglie wavelength of the Earth in its orbit about the Sun? (b) Treating the Earth as a de Broglie wave in a large “gravitational” atom, what would be the principal quantum number, n, of its orbit? ...How many possible sets of quantum numbers are there for the subshells with (a) ℓ = 2 and (b) ℓ = 3? Write the ground state electron configurations for each of the following atoms: (a) Boron (b), (b) Calcium (Ca), (c) Zinc (Zn), and (d) tin (Sn). What is the minimum uncertainty in the position of a 0.50-kg ball that is known to have a speed uncertainty of 3.0 x 10-28 m/s? Abeam of electrons moving at 5.0 x 105 m/s is incident on a single slit that is wide. On a screen that is 1.0 m behind the slits, an electron diffraction pattern is observed. What is the width of the central maximum?Post your question