Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 7, Problem 12CQ
To determine
The reason that both the photon model and the
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Calculate the wavelength of a photon that has energy 2.83 × 10−19 Joules. Give your answer in units of nano metres. Hint: Planck’s constant h = 6.625 × 10−34 J s.
Imagine a photon that was determined to have a wavelength of 150 nm. Remembering that the speed of light is 3*10^8 m/s, what is the frequency of that light in units of Hz? (Provide only the number with commas to help count off orders of ten accurately, do not use scientific notation)
What aspects of photons are similar to those of other particles, such as electrons? In what ways do they differ from one another? Do photons have a mass of their own? Do they have a source of electricity? Is it possible to get them accelerated? What kind of mechanical characteristics do they have?
Chapter 7 Solutions
Integrated Science
Ch. 7.1 - Prob. 1SCCh. 7.1 - Prob. 2SCCh. 7.1 - Prob. 3SCCh. 7.2 - Prob. 4SCCh. 7.2 - Prob. 5SCCh. 7.2 - Prob. 6SCCh. 7.2 - Prob. 7SCCh. 7.3 - Prob. 8SCCh. 7.3 - Prob. 9SCCh. 7.4 - Prob. 10SC
Ch. 7.4 - Prob. 11SCCh. 7.5 - Prob. 12SCCh. 7 - What determines if an electromagnetic wave emitted...Ch. 7 - Prob. 2CQCh. 7 - Prob. 3CQCh. 7 - Prob. 4CQCh. 7 - Prob. 5CQCh. 7 - Prob. 6CQCh. 7 - Prob. 7CQCh. 7 - Prob. 8CQCh. 7 - Prob. 9CQCh. 7 - Prob. 10CQCh. 7 - Prob. 11CQCh. 7 - Prob. 12CQCh. 7 - Prob. 13CQCh. 7 - Prob. 14CQCh. 7 - Prob. 15CQCh. 7 - Prob. 16CQCh. 7 - Prob. 17CQCh. 7 - Prob. 18CQCh. 7 - Prob. 1PEACh. 7 - Prob. 2PEACh. 7 - Prob. 3PEACh. 7 - Prob. 4PEACh. 7 - Prob. 5PEACh. 7 - Prob. 6PEACh. 7 - Prob. 7PEACh. 7 - Prob. 8PEACh. 7 - Prob. 9PEACh. 7 - Prob. 10PEACh. 7 - Prob. 1PEBCh. 7 - Prob. 2PEBCh. 7 - Prob. 3PEBCh. 7 - Prob. 4PEBCh. 7 - Prob. 5PEBCh. 7 - Prob. 6PEBCh. 7 - Prob. 7PEBCh. 7 - Prob. 8PEBCh. 7 - Prob. 9PEBCh. 7 - Prob. 10PEB
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- If the wavelength of a photon is doubled, describe what happens to its energy. How would you describe the frequency of such light?arrow_forwardOn a certain day, light is shining perpendicularly on the surface of the earth with an intensity of 713 W/m². Assuming that all the photons in the light have the same wavelength (in vacuum) of 733 nm, determine the number of photons per second per square meter that reach the earth. Enter your answer in scientific notation. If your answer is 5.14 x 104, input 5.14e+4 as your answer.arrow_forwardExplain the physical processes described by the Einstein's photoelectric equation hv = 1/2mv2+ hv0 and state the significance of each term. Describe briefly how the values of h and vo can be determined.arrow_forward
- Most remote controllers for AV equipment emit radiation with the wavelength profile shown in the figure below. What is the energy of a photon that has a wavelength corresponding to the peak in the figure?Planck's constant is h = 6.626 ×× 10–34 J • s, and the speed of light is c = 3.00 × 108 m/s. Answer in KJarrow_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_forwardRank the following photons in terms of decreasing energy:(a) IR (v=6.5x10^13s⁻¹); (b) microwave (v=9.8x10^11s⁻¹);(c) UV (v=8.0x10^15s)⁻¹arrow_forward
- Calculate the momentum (in kg · m/s) of a photon having a wavelength of 99.2 nm. How does it compare with the energy of the photon? Ephoton KEelectron =arrow_forwardIf it takes 10.2 eV of energy excite hydrogen from the ground state into the first excited (n = 2) state, then what frequency photon is required to excite hydrogen out of the ground state into n = 2 state? What is the wavelength (λ) of that photon? What kind of radiation (region of the electromagnetic spectrum) is this photon?arrow_forwardA photon has wavelength of (λ = 695 pm). Does this photon have enough energy to ionize a hydrogen atom? Show DETAILED calculations to support your answer in the following format. It's a must for me! Its not that complex of a question. you guys have answered a question like this before. please and thank you. What are you solving for? What should be the units of your final answer? What information are you given? What information do you need? How will you connect the information you have and the information you need to solve this problem? (Provide a unit plan) Solve the problem. Be sure to show all units and write clearly. Does your answer make sense? How do you know? Thank youarrow_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_forwardA photon has a frequency 4873935 Hz. Calculate its energy in Joules. Answer in Scientific Notation. Round your answer to 2 significant figures.arrow_forward1. Temperature of the Cosmic Microwave Background radiation (CMB) is T= 2.725 K. a) Assuming it has a Planck energy distribution, use Wien's Displacement Law to find the maximum wavelength of the CMB (in metres). b) What is the radiation energy density, u (measured in J/m³) of the CMB? c) Maximum intensity of the CMB occurs at frequency vmax = 160 GHz. Calculate energy (in Joules, J) of one photon at this frequency. d) Using the results of (2) and (3), find the number of CMB photons per m3, Nph •arrow_forward
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