EBK COSMIC PERSPECTIVE, THE
8th Edition
ISBN: 8220101465108
Author: Voit
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter S4, Problem 60EAP
Beyond the Standard Model. Research some of the ideas that physicists are considering as possible improvements on the standard model. Choose one such idea, and write a short essay describing its potential effect on physics if it is correct, and how the idea may be tested.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Hubble's First Attempt. Edwin Hubble's first attempt to measure the universe's expansion rate was flawed because the standard candles he was using were not properly calibrated. Look at (Figure 1)
a.Estimate the value of Ho corresponding to the solid line in the figure. Express your answer kilometers per second per million light-years to two significant figures.
b.What is the approximate age of the universe indicated by that erroneous value of Ho? Express your answer in years to one significant figure.
Problem 2. The redshift is defined to be the quantity
Job – Xem
Xem
where Aob and Aem are respectively the wavelengths at which radiation is observed and emitted.
1. Find the corresponding definition in terms of observed and emitted frequencies fob and fem.
2. The observed frequency of radio waves from a distant galaxy is 5 GHz. At the location of galaxy, the
frequency is 6 GHz. Calculate the redshift of the galaxy.
3. If the galaxy was 500 Mpc away from the Milky way when the radio waves were emitted. How far away
is this galaxy today?
a. Describe three of the six possible scenarios for the fate of the universe. For each case, describe:
• what conditions will be like
• the curvature of the universe
• which term (gravity, expansion, or dark energy) in the Friedman equation would dominate.
b. Observationally, what scenario best describes our universe? Explain.
Chapter S4 Solutions
EBK COSMIC PERSPECTIVE, THE
Ch. S4 - Prob. 1EAPCh. S4 - Prob. 2EAPCh. S4 - Prob. 3EAPCh. S4 - Prob. 4EAPCh. S4 - Prob. 5EAPCh. S4 - Prob. 6EAPCh. S4 - Prob. 7EAPCh. S4 - Prob. 8EAPCh. S4 - Prob. 9EAPCh. S4 - Prob. 10EAP
Ch. S4 - Prob. 11EAPCh. S4 - Prob. 12EAPCh. S4 - Prob. 13EAPCh. S4 - Prob. 14EAPCh. S4 - Prob. 15EAPCh. S4 - Prob. 16EAPCh. S4 - Prob. 17EAPCh. S4 - Prob. 18EAPCh. S4 - Prob. 19EAPCh. S4 - Decide whether the statement makes sense (or is...Ch. S4 - Prob. 21EAPCh. S4 - Prob. 22EAPCh. S4 - Prob. 23EAPCh. S4 - Prob. 24EAPCh. S4 - Prob. 25EAPCh. S4 - Prob. 26EAPCh. S4 - Prob. 27EAPCh. S4 - Choose the best answer to each of the following....Ch. S4 - Prob. 29EAPCh. S4 - Prob. 30EAPCh. S4 - Prob. 31EAPCh. S4 - Prob. 32EAPCh. S4 - Prob. 33EAPCh. S4 - Prob. 34EAPCh. S4 - Prob. 35EAPCh. S4 - Prob. 36EAPCh. S4 - Prob. 37EAPCh. S4 - Prob. 38EAPCh. S4 - Prob. 39EAPCh. S4 - Prob. 40EAPCh. S4 - Prob. 41EAPCh. S4 - Prob. 42EAPCh. S4 - Prob. 43EAPCh. S4 - Prob. 44EAPCh. S4 - Prob. 45EAPCh. S4 - Prob. 46EAPCh. S4 - Prob. 47EAPCh. S4 - Prob. 48EAPCh. S4 - Prob. 49EAPCh. S4 - Prob. 50EAPCh. S4 - Prob. 51EAPCh. S4 - Prob. 52EAPCh. S4 - Prob. 53EAPCh. S4 - Be sure to show all calculations clearly and state...Ch. S4 - Prob. 55EAPCh. S4 - Prob. 56EAPCh. S4 - Prob. 57EAPCh. S4 - Prob. 58EAPCh. S4 - Prob. 59EAPCh. S4 - Beyond the Standard Model. Research some of the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The mass density of our universe is measured to be about 10-29 kg/m3. If an arbitrary point is chosen as the center, how large is the radius of a spherical surface centered at the point so that the mass enclosed in the surface will become a blackhole observed by someone outside the surface? A. 4.2 trillion light years B. 420 billion light years C. 42 billion light years D. 4.2 billion light years Is the answer D? Thanks!arrow_forwardBriefly describe the illustrations by citing scientific explanation based on the wave particle duality theory. 1. 2.arrow_forwardActivity 1: “Standing in the shoulders of giants.….." primed by dfferent theories and discoveries of various scientists before him. Let us see it you can identify and recall the founding concepts and principles behind Special Theory or Relativity. theories that sparks Albert Einstein's revolutionary idea. he patn that led to Albert Einstein's development of Special Theory of Relativity was Match the names and the picture of the scientists to their concepts and https://commons.wikimedia.org/ w/index.php?curid-2622010 1. Albert A. Michelson nttp5://commons.Wikimedia.org/w/index.php? curid-501204 2. James Clerk Maxwell mons.wikimedia.org/w/ind ex.php?curid=80230525 3. Galileo Galilei https://commons.wikimedia.org/w/l ndex.php?curid-2622010 https://commons.wikimedia.org/w https://commons.wikimedia.org/w/l /index.php?curid-37337 4. Edward W. Morley 5. Sir Isaac Newton ndex.php?curid-57388339 6. Thomas Young A. Tried to detect that ether wind measure the speed of light relative to it.…arrow_forward
- The star Alpha Centauri is 4.367 light vears from earth. What velocity do you need to travel at to reach this star in 1,447 years. Give your answer as a fraction of the speed of light (e.g. 0.406 for 0.406c) Round your answer to 3 decimal places. Add your answer Question 8 An electron is accelerated accross a voltage of 344kV. What is the momentuum of the electron? Use a value for the electron masss of 511 kevic. Give your answer in units of keWc (eg if the answer is 350 kevic write 350I Round your answer to 0 decimal places. Add your answerarrow_forwardExplain the theories Beyond the Standard Model.arrow_forward4. State the mathematical description for Wien displacement law, how this is tested in the lab ? 5. Starting from the Plank distribution, 2he Ba(A, T) = A5 1 - 1 Derive Wien displacement law by maximizing the distribution. 6. Use the Plank distribution to derive the Stefan-Boltzman Law.arrow_forward
- Which is a scientific hypothesis? Select one: a.atoms are the smallest matter particles b.the universe is one of many universes c.Einstein is the top physicist of our century d.all of these answers.arrow_forward1. What is wave-particle duality? How does it apply to photons and electrons? Why do we not generally observe this in everyday life? 2. What is the Hubble Law? What does it say about the evolution of the universe? What does it have to do with redshift?arrow_forward1. How can physics help us gain a greater understanding of the interconnectedness of everything in the universe? 2. What is your intended career field? How might physics be used (either directly or indirectly) in your future work? 3. How can physics connect seemingly unrelated objects and phenomena?arrow_forward
- Question A7 State three pieces of evidence that support the idea that the Universe began in a hot Big Bang, and explain how each piece of evidence supports the hot Big Bang model. Describe the ob- servational evidence that supports the idea that the Universe is pervaded by Dark Energy, and explain why each piece of evidence you cite supports the Dark Energy model.arrow_forwardYThe Feynman diagram at right shows a particle interaction mediated by which force? (Time is the vertical axis.) B. weak nuclear A. strong nuclear C. electromagnetic E. all of the above D. gravitationalarrow_forwardAn astronomer observed the motions of some galaxies. Based on his observations, he made the following statements. Which one of them is most likely to be false? Take Hubble's constant to be 67 km/s/Mpc. A. A galaxy observed to be moving away from us at a speed of 70 km/s is at a distance of about 1 Mpc from us. B. A galaxy observed to be moving away from us at a speed of 700 km/s is at a distance of about 10 Mpc from us. C. A galaxy observed to be moving away from us at a speed of 7000 km/s is at a distance of about 100 Mpc from us. D. A galaxy observed to be moving away from us at a speed of 70000 km/s is at a distance of about 1 Gpc from us. Is the answer D? Thank you!arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
General Relativity: The Curvature of Spacetime; Author: Professor Dave Explains;https://www.youtube.com/watch?v=R7V3koyL7Mc;License: Standard YouTube License, CC-BY