Question

online.manchester.ac and how to 3 markS d) The Bohr formula states that 13.6 eV En Use this to determine the energy and wavelength of the photon that is emitted when the electron in a hydrogen atop makes a transition from the n 5 energy level to 5 marks) e) The mean lifetime of an electron in the n = 2 energy level of a hydrogen atom is the n- 4 energy level. 1.6 ns. Estimate the precision with which it is possible to measure the frequency of the corresponding enitted photon. [4 marks]
e) The mean lifetime of an electron in the n 2 energy level of a hydrogen atom is 1.6 ns. Estimate the precision with which it is possible to measure the frequency of the corresponding emitted photon. l marks
0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
online.manchester.ac and how to 3 markS d) The Bohr formula states that 13.6 eV En Use...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Second part of part c) please! The bit that asks about the particle travelling 75m in...

    Second part of part c) please! The bit that asks about the particle travelling 75m in the laboratory before it decays. Determine its lifetime in the lab frame and then in its rest frame. -+160% are s two postulates of Special Relativity 4 marks) b) Calculate the de Broglie wavelength of an eleetron moving at a speed of 0.70c. The rest mass of an electron is 9.11 x 10-31 kg. 5 mar c) An elementary particle has a total energy...

  • The electron in hydrogen atom absorbs a photon with an energy of 13.6 eV. The electron...

    The electron in hydrogen atom absorbs a photon with an energy of 13.6 eV. The electron decays to its energy level of 3.4 eV. What is the energy of the photon it emits? (Planck's constant is 4.14 x 10^-15 eVs. What is the frequency of that proton? What is the corresponding wave length of that proton? Thanks for the help ...I know it is a loaded question but I am lost!

  • Use the Bohr model to address this question. When a hydrogen atom makes a transition from...

    Use the Bohr model to address this question. When a hydrogen atom makes a transition from the 6 th energy level to the 2nd, counting the ground level as the first, what is the energy ? of the emitted photon in electron volts? ?= eV What is the wavelength ? of the emitted photon in nanometers? ?= nm At what radius ? does an electron in the 5th energy level orbit the hydrogen nucleus? Express your answer in nanometers. ?=...

  • Use the Bohr model to address this question. When a hydrogen atom makes a transition from...

    Use the Bohr model to address this question. When a hydrogen atom makes a transition from the 6 th energy level to the 2nd, counting the ground level as the first, what is the energy ? of the emitted photon in electron volts? ?= eV What is the wavelength ? of the emitted photon in nanometers? ?= nm At what radius ? does an electron in the 5th energy level orbit the hydrogen nucleus? Express your answer in nanometers. ?=...

  • Use the Bohr model to address this question. When a hydrogen atom makes a transition from...

    Use the Bohr model to address this question. When a hydrogen atom makes a transition from the 6th energy level to the 2nd counting the ground level as the first, what is the energy E of the emitted photon in electron volts? eV What is the wavelength λ of the emitted photon in nanometers? nm At what radius r does an electron in the sth energy level orbit the hydrogen nucleus? Express your answer in nanometers. nm rE

  • Use the Bohr model to address this question. When a hydrogen atom makes a transition from...

    Use the Bohr model to address this question. When a hydrogen atom makes a transition from the 66th energy level to the 2nd, counting the ground level as the first, what is the energy E of the emitted photon in electron-volts? E= eV What is the wavelength λ of the emitted photon in nanometers? λ= nm At what radius r does an electron in the 66th energy level orbit the hydrogen nucleus? Express your answer in nanometers. r= nm

  • A-D Please PROBLEM #6. In BALMER lines in Hydrogen atom in Bohr model. An electron makes...

    A-D Please PROBLEM #6. In BALMER lines in Hydrogen atom in Bohr model. An electron makes transition from n-4 to n-2. A. Find the energy of the emitted radiation (photon) in this transition in ev. B. Find the wave length, frequency, and its De Broglie momentum. C. Can you make a guess of the color of this photon? D. FOR THE ELECTRON IN N= 2 CALCULATE ITS SPEED, RADIUS FROM THE NUCLUS, LINEAR MOMENTUM, ANGULAR MOMENTUM, KINETIC ENERGY, TOTAL ENERGY,...

  • Answer all parts Use the Bohr model to address this question. When a hydrogen atom makes...

    Answer all parts Use the Bohr model to address this question. When a hydrogen atom makes a transition from the 7h energy level to the 2 counting the ground level as the first, what is the energy E of the emitted photon in electron volts? eV What is the wavelength à of the emitted photon in nanometers? nm At what radius r does an electron in the 5th energy level orbit the hydrogen nucleus? Express your answer in nanometers. nm

  • The energy of the n = 3 Bohr orbit is -13.6 eV for an unidentified ionized...

    The energy of the n = 3 Bohr orbit is -13.6 eV for an unidentified ionized atom in which only one electron moves about the nucleus. What is the radius of the n = 6 orbit for this species?

  • 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...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT