Foundations of Astronomy (MindTap Course List)
14th Edition
ISBN: 9781337399920
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 7, Problem 9P
To determine
The wavelength of the photon.
The part of the
The electron starting and finishing point in the orbit.
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Visible light falls into wavelength ranges of 400-700 nm, for which
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A hydrogen atom undergoes a transition from an excited state to the ground state by emitting a photon. The energy difference between the excited state and the ground state is 2.04 eV. The wavelength of the emitted photon is measured to be 656 nm. Calculate the frequency and the energy of the emitted photon in Joules.
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A photon emitted as a hydrogen atom undergoes a transition from the n = 8 state to then = 2 state.Find the energy of the emitted photon. Theenergy of the ground state is 13.6 eV.Answer in units of eV.
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Chapter 7 Solutions
Foundations of Astronomy (MindTap Course List)
Ch. 7 - Prob. 1RQCh. 7 - Prob. 2RQCh. 7 - Prob. 3RQCh. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQ
Ch. 7 - Prob. 11RQCh. 7 - Prob. 12RQCh. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 16RQCh. 7 - How is heat different from temperature?Ch. 7 - Prob. 18RQCh. 7 - Prob. 19RQCh. 7 - Prob. 20RQCh. 7 - Prob. 21RQCh. 7 - Prob. 22RQCh. 7 - Could an object be orbiting another object and we...Ch. 7 - Prob. 24RQCh. 7 - How Do We Know? How is the macroscopic world you...Ch. 7 - Prob. 1PCh. 7 - Answer these questions for celestial bodies at...Ch. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - Prob. 1SOPCh. 7 - Prob. 2SOPCh. 7 - Prob. 1LTLCh. 7 - Prob. 2LTLCh. 7 - Prob. 3LTLCh. 7 - Prob. 4LTLCh. 7 - Prob. 5LTLCh. 7 - Prob. 6LTLCh. 7 - Prob. 7LTL
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- (PART 1)photon emitted as a hydrogen atom under goes a transition from the n = 3 state to then = 2 state.Find the energy of the emitted photon. The energy of the ground state is 13.6 eV. Answer in units of eV. (PART 2)Find the wavelength of the emitted photon.The speed of light is 3 × 108 m/s and Planck’sconstant is 6.626 × 10−34 J · s.Answer in units of nm.arrow_forwardCalculate the wavelength of a photon having an energy of 5.89 x 10^11 J of energy. E = hc/λ You must show a correct numerical setup and your answer must include the correct mathematical unit.arrow_forwardWhat is the wavelength of the photon with energy E = 4.2 × 10-16 J. Use the unit of nm for the wavelength. Planck constant is h = 6.626 × 10-34 J·s, and the speed of light is c = 2.9979 × 108 m/s.arrow_forward
- A photon has a frequency of 1.14 x 10^15 Hz. What is the energy of the photon? Recall E = hf, where E is energy in Joules, h is Planck's constant = 6.62 x 10^-34 J/s, and f is frequency (Hz).arrow_forwardThe two nuclei in the carbon monoxide (CO) molecules are 0.1128 nm apart. The mass of the carbon atom is 1.993x10-26 kg. The mass of the oxygen atom is 2.656x10-26 kg.What is the wavelength of the photon emitted in the transition from first excited state to the ground state? (Give your answer in mm.) [answer is not 1.291]arrow_forwardWhat wavelength ( in nanometers ) is the peak intensity of the light coming from a star whose surface temperature is 4987 Kelvin? What color would we see with our eyes?arrow_forward
- The two nuclei in the carbon monoxide (CO) molecules are 0.1128 nm apart. The mass of the carbon atom is 1.993x10-26 kg. The mass of the oxygen atom is 2.656x10-26 kg.What is the wavelength of the photon emitted in the transition from first excited state to the ground state? (Give your answer in mm.)arrow_forwardWhat is the energy of a photon with a frequency of 7.4*10^15 Hz? An electron emits a photon by undergoing an energy transition of 2.84*10^-19 J. What is the wavelength of this photon.arrow_forwardA mercury discharge tube emits two wavelengths: Green of wavelength 546.1 nm and Yellow of wavelength 579.0 nm. Without any calculations, state which one has a higher energy. E = hf where E is the energy of the wave in Joules, f is the frequency of the wave in Hz and h is the planck’s constant.arrow_forward
- If a star has a surface temperature of 9500K. What would be the frequency of the light given off at the peak wavelength, in Hertz?arrow_forwardWhat is the Light of wavelength 5 EXP-7 m consists of photons with an energy of (c=3 EXP 8 m/s)arrow_forwardBlackbody radiation. a) Calculate the energy (in Joules) of an infrared photon with a frequency of 3×1012 Hz.(Remember Planck’s constant is h = 6.63 × 10−34 J.s) b) Calculate the wavelength of a photon which has an energy of 3.79 × 10−19J. (What colour of light does this wavelength correspond to?) c) What is the temperature of a star which has a blackbody peak wavelength of 500 nm? d) What is the peak emission frequency of a star which has a blackbody temperature of 10000 K?arrow_forward
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