A particle confined in a rigid one-dimensional box of length 13.1fm has an energy level En =25.59MeV and an adjacent energy level En+1=36.85MeV. Determine the values of n and n+1. 1b. What is the wavelength of a photon emitted in the n+1 to n transition? 1c. What is the mass of the particle
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1a. A particle confined in a rigid one-dimensional box of length 13.1fm has an energy level En =25.59MeV and an adjacent energy level En+1=36.85MeV. Determine the values of n and n+1.
1b. What is the wavelength of a photon emitted in the n+1 to n transition?
1c. What is the mass of the particle?
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- 1. A system has a ground state energy of 2 eV. The system is in an excited energy state with 10 eV of energy. If the system transitions from the excited energy state to the ground state by emitting 1 eV photons, how many photons are emitted? a. Exactly 8 b. More than 8 c. More than 1 but less than 8 d. Exactly 1 e. There's no way to know for sure 2. In blackbody radiation, the wavelength that has the peak intensity a. Decreases as temperature increases b. Increases as temperature increases c. Doesn't change as temperature increases19. A certain atom holds an electron with an initial energy of 6.4 eV above the ground state energy. At some time later the energy is 3.2 eV above ground state. What is the frequency associated with the emission of the photon for this transition? A. 9.4x10¹4 Hz B. 7.7x10¹4 Hz C. 2.1x10¹4 Hz D. 8.9x1014 Hz14 A photon with a frequency of 5.02 x 10Hz is absorbed by an excited hydrogen atom which causes the electron to be ejected from the atom, forming an ion. Determine the energy of the photon, (Speed of light = 3.0 x 108 m/s, mass of proton = 1.0078250, mass of neutron = 1.008665U, 1U = 931.5- Planck's constant = 6.63 x 10-34 Js, mass of electron = 9.11 x 10-31 kg, Rydberg constant = 1.1 x 107 m. eV = 1.6 × 10-¹9 C). MeV Select one: O O a. 1.2 eV b. 2.1 eV c. 3.2 eV d. 4.1 eV
- 1a. One photon of light emitted from a hydrogen lamp is measured to have an energy of 0.6618eV. What electron transition is responsible for this photon? Hint: one of the energy levels involved is n = 3. 1b. What is the emission spectrum for a given element and why do different elements have different emission spectra?Which of these expressions would yield the wavelength of light in meters emitted when an electron drops from orbit n = 3 to n = 2 in a Bohr hydrogen atom? Given h = 4.14 x 10-15 eVs and c = 3.00 x 108 m/s. a. 1.89/hxc b. hc/1.89 c. 1.89 x h x c d. (1.51 + 3.4)/hc e. hc/3.43.1. What is the de Broglie wavelength of an electron that has been accelerated through a potential difference of AV = 150 V?
- 91. A carpenter builds an exterior house wall made of wood 3.0 cm thick. The wood has k = 0.080 W/mk. The interior temperature is 19°C and the exterior surface temperature is 9°C. What is the rate of heat flow per square meter through this wall? 2. What is the wavelength for the energy maximum of blackbody radiation at 30,000°F?What is the frequency of the emitted photon when an electron in a hydrogen atom jumps from n = 5 to n = 2 state? a) 2.30*106 Hz b) 6.91*1016 Hz c) 6.91*1014 Hz d) none of these.