Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 43, Problem 20SP
To determine
The wavelength of the emitted photon when the hydrogen atom drops from the first excited state to the ground state.
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Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
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- A hydrogen atom initially in its ground state (n=1) absorbs a photon and ends up in the state for which n = 3. (a) What is the energy of the absorbed photon? (b) If the atom returns to the ground state, what photon energies could the atom emit?arrow_forwardFind the frequency of the photon emitted when hydrogen makes a transition between energy level 6 to energy level 4. h = 6.62 × 10−34?2 ∙ ??/? ? = 3 × 108?/?arrow_forwardWhat would the wavelength in m of the emitted radiation be if a hydrogen atom was placed in an external uniform magnetic field of 240 T and transitioned from a spin-up to a spin-down state?arrow_forward
- What is the Doppler-broadened linewidth of the electronic transition at 821 nm in atomic hydrogen at 300 K?arrow_forwardIf the electron in a hydrogen atom is to make a transition from the first excited state to the fourth excited state, what frequency of photon is needed?arrow_forwardA hydrogen atom initially in its ground state (n = 1) absorbs a photon and ends up in the state for which n = 3. (a) What is the energy of the absorbed photon? (b) If the atom eventually returns to the ground state, what photon energies could the atom emit?arrow_forward
- Calculate the energy, frequency and wavelength of a photon emitted by a hydrogen atom during a transition of its electron from the n=6 to n=3 principal energy level. Do I use the given E=2.18 * 10 ^ -18 to help solve this?arrow_forwardHow much energy is required to cause an electron in hydrogen to move from the n = 1 state to the n = 2 state? (b) If the electrons gain this energy by collision between hydrogen atoms in a high - temperature gas, find the minimum temperature of the heated hydrogen gas. The thermal energy of the heated atoms is given by 3kBT/2, where kB is the Boltzmann constant.arrow_forwardA certain atom remains in an excited state for about 51.7 ns before emitting a 2.15-eV photon and transitioning to the ground state. What is the uncertainty in the frequency of the photon in Hz?arrow_forward
- Can an electron in a hydrogen atom have a speed of 3.60 × 105 m/s? If so, what are its energy and the radius of its orbit? What about a speed of 3.65 × 105 m/s?arrow_forwardAssume we have a material with a work function of 4.94 eV. What is the maximum speed, in meters per second, of electrons ejected from this metal by photons of light with wavelength 75 nm?arrow_forwardConsider the electron in a hydrogen atom that receives an incoming photon. If the electron began at an energy level of n = 3, at which of the following energy levels (n) could it exist upon absorbing the photon?arrow_forward
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