Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 5, Problem 13CC
To determine
The feasibility of any hydrogen emission lines that are visible to humans. And, the most common color for this hydrogen lines.
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Calculate 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.
Your research team analysis the light of a mysterious object in space. By using a spectrometer,
you can observe the following spectrum of the object. The Ha line peak is clearly visible:
1.0
0.8
0.6
0.4
0.2
500
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Wavelength (nm)
(a) Mark the first four spectral lines of hydrogen (Ha, H3, H, Hồ) in the spectrum.
(b) Determine the radial velocity and the direction of the object's movement.
(c) Calculate the distance to the observed object.
(d) What possible type of object is your team observing?
Relative Flux [arb. unit]
Normal human body temperature is about 37°C. What is the peak wavelength emitted by a person with this temperature? In what part of the spectrum does this lie?
Chapter 5 Solutions
Universe
Ch. 5 - Prob. 1CCCh. 5 - Prob. 2CCCh. 5 - Prob. 3CCCh. 5 - Prob. 4CCCh. 5 - Prob. 5CCCh. 5 - Prob. 6CCCh. 5 - Prob. 7CCCh. 5 - Prob. 8CCCh. 5 - Prob. 9CCCh. 5 - Prob. 10CC
Ch. 5 - Prob. 11CCCh. 5 - Prob. 12CCCh. 5 - Prob. 13CCCh. 5 - Prob. 14CCCh. 5 - Prob. 1CLCCh. 5 - Prob. 2CLCCh. 5 - Prob. 3CLCCh. 5 - Prob. 1QCh. 5 - Prob. 2QCh. 5 - Prob. 3QCh. 5 - Prob. 4QCh. 5 - Prob. 5QCh. 5 - Prob. 6QCh. 5 - Prob. 7QCh. 5 - Prob. 8QCh. 5 - Prob. 9QCh. 5 - Prob. 10QCh. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Prob. 18QCh. 5 - Prob. 19QCh. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 22QCh. 5 - Prob. 23QCh. 5 - Prob. 24QCh. 5 - Prob. 25QCh. 5 - Prob. 26QCh. 5 - Prob. 27QCh. 5 - Prob. 28QCh. 5 - Prob. 29QCh. 5 - Prob. 30QCh. 5 - Prob. 31QCh. 5 - Prob. 32QCh. 5 - Prob. 33QCh. 5 - Prob. 34QCh. 5 - Prob. 35QCh. 5 - Prob. 36QCh. 5 - Prob. 37QCh. 5 - Prob. 38QCh. 5 - Prob. 39QCh. 5 - Prob. 40QCh. 5 - Prob. 41QCh. 5 - Prob. 42QCh. 5 - Prob. 43QCh. 5 - Prob. 44QCh. 5 - Prob. 45QCh. 5 - Prob. 46QCh. 5 - Prob. 47QCh. 5 - Prob. 48QCh. 5 - Prob. 49QCh. 5 - Prob. 50QCh. 5 - Prob. 51Q
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- Human body temperature is about 310 K (3.10 ✕ 102 K). At what wavelength (in nm) do humans radiate the most energy? In which part of the electromagnetic spectrum (gamma-ray, X-ray, UV, visible light, IR, microwave, or radio) do we emit?arrow_forwardYour research team analysis the light of a mysterious object in space. By using a spectrometer,you can observe the following spectrum of the object. The Hα line peak is clearly visible:(a) Mark the first four spectral lines of hydrogen (Hα, Hβ, Hγ, Hδ) in the spectrum.(b) Determine the radial velocity and the direction of the object’s movement.(c) Calculate the distance to the observed object.(d) What possible type of object is your team observing?arrow_forwardAn astronomer discovers a star that has a peak wavelength of 611 nm. Determine the peak frequency and the temperature of the star's surface. peak frequency - temperature -arrow_forward
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