1. given that the energy of the hydrogen atom in its ground state is -13.6 EV,...
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given that the energy of the hydrogen atom in its ground state is
-13.6 EV,...
For the hydrogen atom, its energy at ground state is 13.6 eV, at first excited state...
For the hydrogen atom, its energy at ground state is 13.6 eV, at first excited state is 3.4 eV at second excited state is 1.5 eV and at the third excited state is 0.85 eV. i) Give the energy value for the first two states in Joule (J). [1eV =1.6 x 10-19 J] (2 marks) ii) With the aid of schematic diagram, determine the energy of emitted photon when the atom jumps from the first and third excited states to...
An electron in the ground state of a hydrogen atom (-13.6 eV) absorbs a 10.2 eV...
An electron in the ground state of a hydrogen atom (-13.6 eV) absorbs a 10.2 eV photon and jumps to the first excited state. What is the energy in eV of the first excited state?
13. The energy state with n=1 has the energy of (a) +13.6 eV (c)-13.6 eV (b)...
13. The energy state with n=1 has the energy of (a) +13.6 eV (c)-13.6 eV (b) -1.51eV (d) None 14. The Zeeman effect relates to (a) Splitting of spectral lines in a strong magnetic field. (b) Splitting of spectral lines in a strong electric field. (c) Both (d) None 15. The Uncertainty principle explains (a) Ax Apx 2h/21 (c) Ax Aph/rt (b) Ax Apx 2h/41 (d) None of the above 16. Moseley Plot explains the relationship between (a) 1/a Vs....
ONLY USE THE FORMULAS GIVEN ON PAPER, NO OTHER FORMULAS ALLOWED. DOUBLE CHECK ANSWERS FOR ANY MISTAKES! 4. A object 1.5 cm tall is placed 2 cm in front of a thin convex (converging) lens of foca...
ONLY USE THE FORMULAS GIVEN ON PAPER, NO OTHER FORMULAS
ALLOWED. DOUBLE CHECK ANSWERS FOR ANY MISTAKES!
4. A object 1.5 cm tall is placed 2 cm in front of a thin convex (converging) lens of focal length 3 cm. Is the image real or virtual? Is it upright or inverted? Where is the image? How tall is the image? Draw the ray diagram. Possibly (but not necessarily) useful formulae and constants 5 53 :-10 %e2 2 3 370 e=...
A hydrogen atom initially in its ground state (n = 1) absorbs a photon and ends...
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? eV (b) If the atom eventually returns to the ground state, what photon energies could the atom emit? 13.6 eV, 1.89 eV, 10.2 eV12.09 eV 12.09 eV, 1.89 eV1.89 eV, 10.2 eV12.09 eV, 1.89 eV, 10.2 eV
In the ground state of the Hydrogen atom the energy of the electron is E state...
In the ground state of the Hydrogen atom the energy of the electron is E state of the He ion? -13.61 eV. What is the energy of the electron in the ground Submit Answer Tries 0/20 What is the energy of the electron in the ground state of the u** ion? Submit Arower Tries 0/20 The electron in the Helon is excited to the n-2 principal state. What is the energy of the electron now? Submit Awer Tries 0/20 What...
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron f...
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron falls back to the lower energy levels, light is emitted. What are the three longest-wavelength spectral lines emitted by the hydrogen atom as it returns to the n = 1 state from higher energy states? Give your answers to three significant figures. The lowest possible state, n = 1, corresponds to the electron in its smallest possible orbit; it...
Electrons in an unknown atom(not hydrogen) are excited from the ground state to the n=3 energy...
Electrons in an unknown atom(not hydrogen) are excited from the ground state to the n=3 energy level. As these electrons make quantum jumps back to the ground state, photons of three different energies are emitted. The most energetic photon has an associated wavelength of 62.2 nm and the least energetic photon has an associated wavelength of 207 nm. What is the associated wavelength of the other type pf photon? The answer is 3-1 (20 eV), 3-2 (6 eV) and 2-1...
Problem #1 (a) The ionization energy of the hydrogen atom in its ground state is: Eion-13.60...
Problem #1 (a) The ionization energy of the hydrogen atom in its ground state is: Eion-13.60 eV Calculate frequency, wavelength, and wavenumber of electromagnetic radiation that will just ionize the atom (1+2+2 pts) (b) A diode-pumped solid-state (DPSS) red laser pointers emit radiation at wavelength: 2 671 nm >How many photons are emitted per second by a laser with a power P 0.5 mW (5 pts). Recall: Power work/time (force x distance)/time; Work change in kinetic energy
ONLY USE THE FORMULAS GIVEN ON PAPER, NO OTHER FORMULAS ALLOWED. DOUBLE CHECK ANSWERS FOR ANY MISTAKES! 5. (a) We have a collection of Hydrogen atoms in the ground state. They are bombarded with...
ONLY USE THE FORMULAS GIVEN ON PAPER, NO OTHER FORMULAS
ALLOWED. DOUBLE CHECK ANSWERS FOR ANY MISTAKES!
5. (a) We have a collection of Hydrogen atoms in the ground state. They are bombarded with photons of energy 12.1 MeV. What are the energies of the photons that can be emitted by the excited Hydrogen atoms? b. Why do the more stable high A elements generally have more neutrons than protons? Possibly (but not necessarily) useful formulae and constants 5 53...
For the hydrogen atom, its energy at ground state is 13.6 eV, at first excited state is 3.4 eV at second excited state is 1.5 eV and at the third excited state is 0.85 eV. i) Give the energy value for the first two states in Joule (J). [1eV =1.6 x 10-19 J] (2 marks) ii) With the aid of schematic diagram, determine the energy of emitted photon when the atom jumps from the first and third excited states to...
13. The energy state with n=1 has the energy of (a) +13.6 eV (c)-13.6 eV (b) -1.51eV (d) None 14. The Zeeman effect relates to (a) Splitting of spectral lines in a strong magnetic field. (b) Splitting of spectral lines in a strong electric field. (c) Both (d) None 15. The Uncertainty principle explains (a) Ax Apx 2h/21 (c) Ax Aph/rt (b) Ax Apx 2h/41 (d) None of the above 16. Moseley Plot explains the relationship between (a) 1/a Vs....
ONLY USE THE FORMULAS GIVEN ON PAPER, NO OTHER FORMULAS
ALLOWED. DOUBLE CHECK ANSWERS FOR ANY MISTAKES!
4. A object 1.5 cm tall is placed 2 cm in front of a thin convex (converging) lens of focal length 3 cm. Is the image real or virtual? Is it upright or inverted? Where is the image? How tall is the image? Draw the ray diagram. Possibly (but not necessarily) useful formulae and constants 5 53 :-10 %e2 2 3 370 e=...
In the ground state of the Hydrogen atom the energy of the electron is E state of the He ion? -13.61 eV. What is the energy of the electron in the ground Submit Answer Tries 0/20 What is the energy of the electron in the ground state of the u** ion? Submit Arower Tries 0/20 The electron in the Helon is excited to the n-2 principal state. What is the energy of the electron now? Submit Awer Tries 0/20 What...
4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron falls back to the lower energy levels, light is emitted. What are the three longest-wavelength spectral lines emitted by the hydrogen atom as it returns to the n = 1 state from higher energy states? Give your answers to three significant figures. The lowest possible state, n = 1, corresponds to the electron in its smallest possible orbit; it...
Problem #1 (a) The ionization energy of the hydrogen atom in its ground state is: Eion-13.60 eV Calculate frequency, wavelength, and wavenumber of electromagnetic radiation that will just ionize the atom (1+2+2 pts) (b) A diode-pumped solid-state (DPSS) red laser pointers emit radiation at wavelength: 2 671 nm >How many photons are emitted per second by a laser with a power P 0.5 mW (5 pts). Recall: Power work/time (force x distance)/time; Work change in kinetic energy
ONLY USE THE FORMULAS GIVEN ON PAPER, NO OTHER FORMULAS
ALLOWED. DOUBLE CHECK ANSWERS FOR ANY MISTAKES!
5. (a) We have a collection of Hydrogen atoms in the ground state. They are bombarded with photons of energy 12.1 MeV. What are the energies of the photons that can be emitted by the excited Hydrogen atoms? b. Why do the more stable high A elements generally have more neutrons than protons? Possibly (but not necessarily) useful formulae and constants 5 53...
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