Astronomy
1st Edition
ISBN: 9781938168284
Author: Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher: OpenStax
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Textbook Question
Chapter 5, Problem 6E
Explain how the Doppler effect works for sound waves and give some familiar examples.
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Chapter 5 Solutions
Astronomy
Ch. 5 - What distinguishes one type of electromagnetic...Ch. 5 - What is a wave? Use the terms wavelength and...Ch. 5 - Is your textbook the kind of idealized object...Ch. 5 - Where in an atom would you expect to find...Ch. 5 - Explain how emission lines and absorption lines...Ch. 5 - Explain how the Doppler effect works for sound...Ch. 5 - What kind of motion for a star does not produce a...Ch. 5 - Describe how Bohr’s model used the work of...Ch. 5 - Explain why light is referred to as...Ch. 5 - Explain the difference between radiation as it is...
Ch. 5 - What are the differences between light waves and...Ch. 5 - Which type of wave has a longer wavelength: AM...Ch. 5 - Explain why astronomers long ago believed that...Ch. 5 - Explain what the ionosphere is and how it...Ch. 5 - Which is more dangerous to living things, gamma...Ch. 5 - Explain why we have to observe stars and other...Ch. 5 - Explain why hotter objects tend to radiate more...Ch. 5 - Explain how we can deduce the temperature of a...Ch. 5 - Explain what dispersion is and how astronomers use...Ch. 5 - Explain why glass prisms disperse light.Ch. 5 - Explain what Joseph Fraunhofer discovered about...Ch. 5 - Explain how we use spectral absorption and...Ch. 5 - Explain the results of Rutherford’s gold foil...Ch. 5 - Is it possible for two different atoms of carbon...Ch. 5 - What are the three isotopes of hydrogen, and how...Ch. 5 - Explain how electrons use light energy to move...Ch. 5 - Explain why astronomers use the term “blueshifted”...Ch. 5 - If spectral line wavelengths are changing for...Ch. 5 - Make a list of some of the many practical...Ch. 5 - With what type of electromagnetic radiation would...Ch. 5 - Why is it dangerous to be exposed to X-rays but...Ch. 5 - Go outside on a clear night, wait 15 minutes for...Ch. 5 - Water faucets are often labeled with a red dot for...Ch. 5 - Suppose you are standing at the exact center of a...Ch. 5 - How could you measure Earth’s orbital speed by...Ch. 5 - Astronomers want to make maps of the sky showing...Ch. 5 - The greenhouse effect can be explained easily if...Ch. 5 - An idealized radiating object does not reflect or...Ch. 5 - Why are ionized gases typically only found in very...Ch. 5 - Explain why each element has a unique spectrum of...Ch. 5 - What is the wavelength of the carrier wave of a...Ch. 5 - What is the frequency of a red laser beam, with a...Ch. 5 - You go to a dance club to forget how hard your...Ch. 5 - What is the energy of the photon with the...Ch. 5 - If the emitted infrared radiation from Pluto, has...Ch. 5 - What is the temperature of a star whose maximum...
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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 greenhouse effect can be explained easily if you understand the laws of blackbody radiation. A greenhouse gas blocks the transmission of infrared light. Given that the incoming light to Earth is sunlight with a characteristic temperature of 5800 K (which peaks in the visible part of the spectrum) and the outgoing light from Earth has a characteristic temperature of about 300 K (which peaks in the infrared part of the spectrum), explain how greenhouse gases cause Earth to warm up. As part of your answer, discuss that greenhouse gases block both incoming and outgoing infrared light. Explain why these two effects don’t simply cancel each other, leading to no net temperature change.arrow_forwardUnder what circumstances would sound have (a) a Doppler blueshift? (b) a Doppler redshift?arrow_forwardShow that the equation is invariant under a Lorentz transformation but not under a Galilean transformation. (This is the wave equation that describes the propagation of light waves in free space.)arrow_forward
- BRIEFLY EXPLAIN DOPPLER EFFECT AND SOUND ENERGYarrow_forwardSuppose on earth you measure a frequency of 6.3x10^13 Hz from a star in a distant galaxy. You do your research, and notice that the star is actually emitting a frequency of 6.4x10^13 Hz. Cool! What is the relative speed of the earth and the observed star?arrow_forwardRearrange the doppler shift formula so that V is what's being calculatedarrow_forward
- Define how to determine the velocity v of P waves in various layers and the thicknesses of those layers ?arrow_forwardA microwave oven uses EM radiation of wavelength 0.13 m. Calculate the frequency of this radiation.(Give your answer in hertz but don't round your answer)arrow_forwardExplain what is meant by the Doppler Effect. Rationalize why Doppler broadening increases with increasing temperature and decreasing mass.arrow_forward
- Our Sun shines bright with a luminosity of 3.828 x 10^26 Watt. Her energy is responsible for many processes and the habitable temperatures on the Earth that make our life possible. (a) Calculate the amount of energy arriving on the Earth in a single day. (b) To how many litres of heating oil (energy density: 37.3 x 10^6 J/litre) is this equivalent? (c) The Earth reflects 30% of this energy: Determine the temperature on Earth’s surface. (d) What other factors should be considered to get an even more precise temperature estimate? Note: The Earth’s radius is 6370 km; the Sun’s radius is 696 x 10^3 km; 1 AU is 1.495 x 10^8 km.arrow_forwardExplain Stefan-Boltzmann law of radiation?arrow_forwardA airplane approaches at an altitude of 10 km flying at 600 km/hr. 1. If the air temperature at that altitude is -50 °C, what is the speed of sound in air there? 2. How does that differ from the speed of sound in air typically at Earth's surface? 3. If the plane will be overhead in 1 minute, when will we hear it coming? You may assume an average speed along the path from the plane to your ear. THE ANSWER TO QUESTION 3 PLEASEarrow_forward
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