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 Sun’s energy strikes Earth at an intensity of 1.37kW/m2 . Assume as a mode! approximation that all of the light is absorbed. (Actually, about 30% of the light intensity is reflected out into space.) (a) Calculate the total force that the Sun’s radiation exerts on Earth. (b) Compare this to the force of gravity between the Sun and Earth. Earth’s mass is 5.9721024 kg.arrow_forwardA commuter train passes a passenger platform at a constant speed of 40.0 m/s. The train horn is sounded at its characteristic frequency of 320. Hz. (a) What overall change in frequency is detected by a person on the platform as the train moves from approaching to receding? (b) What wavelength is detected by a person on the platform as the train approaches?arrow_forwardAn astronomer measures the speed of recession of a remote galaxy to be 365 km/s using the Doppler principle According to the Hubble relation, about how far away is the galaxy?arrow_forward
- (a) Seismographs measure the arrival times of earthquakes with a precision of 0.100 s. To get the distance to the epicenter of the quake, geologists compare the arrival times of S- and P-waves, which travel at different speeds. If S- and P-waves travel at 4.00 and 7.20 km/s, respectively, in the region considered, how precisely can the distance to the source of the earthquake be determined? (b) Seismic waves from underground detonations of nuclear bombs can be used to locate the test site and detect violations of test bans. Discuss whether your answer to (a) implies a serious limit to such detection. (Note also that the uncertainty is greater if there is an uncertainty in the propagation speeds of the S- and P-waves.)arrow_forwardTopic: Doppler Effect Q. Explain how the frequency allows the speed of an object to be determined?arrow_forwardWhat is space wave propagation? Give two examples of communication system which use space wave mode. A TV tower is 80m tall. Calculate the maximum distance upto which the signal transmitted from the tower can be received.arrow_forward
- Because of the Doppler effect, the sound heard by an observer listening to a moving ambulance siren, compared to what the observer would have heard if the observer and siren were both at rest... will have a lower pitch if the ambulance siren is moving towards the observer. will have a longer wavelength if the ambulance siren is moving towards the observer. will have a lower frequency if the ambulance siren is moving towards the observer will have a higher frequency if the ambulance siren is moving away from the observer. will have a higher frequency if the ambulance siren is moving towards the observer.arrow_forward2 A radar system operating at frequency of 15 GHz. The target speed resolution is given as 10 m/s. If the number of filters implemented for detection of Doppler frequency shift is 115. a. Calculate the target speed range. b. Calculate the velocity of cach target. c. If the system used is used as speed monitoring in a road with maximum speed = 120 km/Hr. What will be maximum speed in km/Hr that the Radar classify as not over speeding. Assume operating frequency and Doppler shift remains the same. Give justification to your answer.arrow_forwardA- If you put your finger right above a flame you will not get burn't. The reason for this is that the hear from the candle travels sideways keeping close to the ground. (True or False) B- Desert sand is very hot in the day and very cool at night. This means sand has low specific heat.(True or False)arrow_forward
- In which of the following situations is the Doppler effect absent?a. The source and the observer are moving towards each other.b. The observer is moving toward the source.c. The source is moving away from the observer.d. Neither the source nor the observer is moving relative to one another.arrow_forwardA sinusoidal transverse wave travels along a long, stretched string. The amplitude of this wave is 0.0813 m, its frequency is 4.27 Hz, and its wavelength is 1.05 m. What is the shortest transverse distance d between a maximum and a minimum of the wave? d = m How much time At is required for 77.9 cycles of the wave to pass a stationary observer? At = Viewing the whole wave at any instant, how many cycles N are there in a 31.3 m length of string? help about us careers privacy policy terms of use contact us Show All V VS T.jpeg Free-Fall-Phet.docx v VS T.jpeg free fall.png F12 F9 F10 80 F6 F7 & * delete % %3D 6 8 9 4 5arrow_forwardCan the principle of Doppler effect be able to contribute in medicine especially this pandemic? Explain your answer.arrow_forward
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