Explain why different elements produce different spectral absorption and emission lines. Calculate the wavelength of a photon that has an energy of 4.96 eV. (Hint: h*c {Planck's constant * the speed of light }= 1240 eV*nm;) What type of radiation/light (from the electromagnetic spectrum) is the photon from the previous question? Why is it that radio telescopes need to be so large or organized in arrays?

Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter3: The Quantum Theroy Of Light
Section: Chapter Questions
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  • Explain why different elements produce different spectral absorption and emission lines. 
  • Calculate the wavelength of a photon that has an energy of  4.96 eV. (Hint: h*c {Planck's constant * the speed of light }= 1240 eV*nm;)
  • What type of radiation/light (from the electromagnetic spectrum) is the photon from the previous question? 
  • Why is it that radio telescopes need to be so large or organized in arrays?

this is all one question with different parts. Thank you.

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