An electron An electron jumps from n = 6 to n = 4. (b) The energy of this photon is? If the electron jumped from n = 4 to n = 6, (d) And the energy of this photon is? from n = 6 to n = 4.
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- Energy مثل n=3 n = 2 n=1 مشا R A photon Pis absorbed by an electron in the ground state, and it jumps up to the n=3 energy level. It then quickly emits two photons, Q and R, as the electron returns to the ground state. What are the frequencies of these three photons P, Q, and R?6. (30 points) Construct the energy level diagram for a singly ionized helium (Z = 2) up to the first six energy levels. Show proper energy in eV for each level. П n Anode Photoelectrons Metal specimen (a) An electron in a helium atom jumps from some initial orbit ni to some final orbit nf. If the photon emitted in the process is capable of ejecting photoelectrons from a metal specimen (work function 7.00 eV), determine nf. = (b) If a minimum stopping potential of Vo = 5.09 V is required to prevent the photoelectrons from hitting the anode, determine the value of ni.1. If it moves at a speed of 900 m/s, what is the wavelength (a) electrons; (b) 25000 kg aircraft; (c) Which of the two acts as a matter wave? explain! 2. Green light has a wavelength of 550 nm, through what potential difference must the electrons be accelerated to have a wavelength like this?
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