Question 19.1: Find the shortest wavelength photon emitted in the lyman series of hydrogen.

Question 19.2: What is the wavelength of the second line of paschen series?

Question 19.3: Calculate the longest wavelength of radiation for the paschen series.

Question 19.4: The series limit wavelength of the Balmer series is emitted as the electron in the hydrogen atom falls from n=∞ to the n=2 state. What is the wavelength of this line. Where ∆E= 3.40eV

Question 19.5: A photon is emitted from a hydrogen atom, which undergoes a transition from that n=3 state to the n=2 state. Calculate (a) the energy (b) the wavelength, and (c) frequency of the emitted photon.

Question 19.6: Find the longest wavelength of the light capable of ionizing a hydrogen atom. How much energy is needed to ionize a hydrogen atom?

Question 19.7: Calculate the radius of the innermost orbital level of the hydrogen atom.

Question 19.8: (a) Determine the energy associated with the innermost orbit of the hydrogen atom (n=1). (b) Determine the energy associated with the second orbit of the hydrogen atom. (c) What energy does an incoming photon possess to raise an electron from first to the second allowed orbit of the hydrogen atom?

Question 19.9: An electron drops from the second energy level to the first energy level within an excited hydrogen atom (a) determine the energy of the photon emitted (b) calculate the frequency of the photon emitted (c) calculate the wavelength of the photon emitted.

Question 19.10: An electron is in the first Bohr orbit of hydrogen. Find (a) the speed of the electron. (b) the time required for the electron to circle the nucleus.