View the step-by-step solution to:

chu (jc45999) - Modern Physics - erickson - (56780) This print-out should have 20 questions. Multiple-choice questions may continue on the next

Please solve #2 in attached problems. Please include explanation.
chu (jc45999) – Modern Physics – erickson – (56780) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points A “blue” photon has a wavelength oF 400 nm. Approximately what is the energy oF such a photon? 1. 4 × 10 22 J 2. 0 . 04 J 3. 8 × 10 14 J 4. 8 J 5. 5 × 10 19 J 002 10.0 points The ground state energy oF a hydrogen atom is about - 13 . 6 eV. When the elec- tron jumps into its frst excited state, the excitation energy required to make this jump is 1. 10 . 2 eV 2. 13 . 6 eV 3. 6 . 8 eV 4. 0 eV 5. 3 . 4 eV 003 10.0 points The ground state energy oF a hydrogen atom is about - 13 . 6 eV. When the elec- tron jumps into its frst excited state, the ion- ization energy (energy required to strip the electron From the atom) is: 1. 0 eV 2. 10 . 2 eV 3. 6 . 8 eV 4. 3 . 4 eV 5. 13 . 6 eV 004 10.0 points An electron in an atom initially has an energy 5 . 5 eV above the ground state energy it drops to a state with energy 3 . 2 eV above the ground state energy and emits a photon in the process. The wave associated with the photon has a Frequency oF 1. 1 . 8 × 10 15 Hz 2. 5 . 6 × 10 14 Hz 3. 2 . 9 × 10 15 Hz 4. 2 . 6 × 10 15 Hz 5. 7 . 7 × 10 14 Hz 005 10.0 points An electron makes a transition From one atomic shell oF principal quantum number n to another shell with principal quantum num- ber n . Which oF the 5 transitions described below corresponds to the emission oF a photon oF the greatest energy? 1. n = 1 to n = 2 2. n = 4 to n = 3 3. n = 1 to n = 3 4. n = 2 to n = 1 5. n = 4 to n = 2 006 10.0 points Your temperature is 98 . 7 ±. Assuming your skin is a perFect radiator ( ǫ = 1), what is the wavelength corresponding to the largest intensity? Answer in units oF μ m 007 (part 1 of 2) 10.0 points
Background image of page 1
chu (jc45999) – Modern Physics – erickson – (56780) 2 The diference in potential between the cath- ode and anode oF a spark plug is 10000 V. What energy does the electron give up as it passes between the electrodes? Answer in units oF J 008 (part 2 of 2) 10.0 points One Fourth oF the energy given up by an elec- tron is converted into radiation in the Form oF a single photon. What is the Frequency oF the radiation? Answer in units oF Hz 009 10.0 points Which oF the Following is not right? 1. The energy oF a violet photon is larger than that oF a green one. 2. The energy oF a green photon is larger than that oF a red one. 3. The energy oF a white photon is larger than that oF a violet one. 4. The wavelength oF a red photon is larger than that oF a violet one. 010 10.0 points The surFace temperature oF the Sun is 3250 K. What is the wavelength that corresponds to the maximum rate oF energy emission From the Sun? Answer in units oF nm 011 10.0 points The Frequency oF violet light is about twice that oF red light. How does the energy oF a violet photon compare with the energy oF a red photon? 1. It requires a case-by-case analysis. 2. twice as energetic as red photons 3. the same as red photons 4. halF as energetic as red photons 012 10.0 points A radio antenna radiates 7 . 31 W oF power at 476 Hz. How many photons per second are emit- ted by the antenna? Planck’s constant is 6 . 63 × 10 34 J · s. Answer in units oF photons / s 013 (part 1 of 2) 10.0 points In the diagram, the energy diference between states A and B is twice the energy diference between states B and C. In a transition (quan- tum jump) From C to B an electron emits a photon oF wavelength 600 nm. C B A ±ind the wavelength λ 2 emitted when the photon jumps From B to A. Answer in units oF nm 014 (part 2 of 2) 10.0 points ±ind the wavelength λ 3 emitted when the photon jumps From C to A. Answer in units oF nm 015 10.0 points Sunburn produces cell damage in the skin. Which oF the Following is the most capable oF producing this damage? 1. ultraviolet radiation 2. visible radiation 3. ultrared radiation 4. intense visible radiation 016 10.0 points Your Friend reasons that iF ultraviolet light can activate the process oF fuorescence , inFrared light should also. Your Friend looks to you For
Background image of page 2
Show entire document
Sign up to view the entire interaction

Top Answer

Let me explain the... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Ask a homework question - tutors are online