EBK THE COSMIC PERSPECTIVE
9th Edition
ISBN: 9780135161760
Author: Voit
Publisher: VST
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Chapter 5, Problem 50EAP
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To Explain: The way a microwave cooks food.
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Suppose YOUR body temperature averages 98.6 F.
1. How much radiant energy in Wm^-2 is emitted from YOUR body?
2. What is the total radiant energy in W that is emitted from YOUR body?
3. At what wavelength does YOUR body emit the largest amount of radiant energy?
What does the Wien Displacement Law (also known as Wien's Law) tell us?
a) There is an inverse relation between the temperature of a thermal emitter and the wavelength where the emission peaks.
b) There is a proportional relation between the temperature of a thermal emitter and the wavelength where the emission peaks.
c) None of the above.
Blackbody radiation.
a) Calculate the energy (in Joules) of an infrared photon with a frequency of 3×1012 Hz.(Remember Planck’s constant is h = 6.63 × 10−34 J.s)
b) Calculate the wavelength of a photon which has an energy of 3.79 × 10−19J. (What colour of light does this wavelength correspond to?)
c) What is the temperature of a star which has a blackbody peak wavelength of 500 nm?
d) What is the peak emission frequency of a star which has a blackbody temperature of 10000 K?
Chapter 5 Solutions
EBK THE COSMIC PERSPECTIVE
Ch. 5 - Prob. 1VSCCh. 5 - Prob. 2VSCCh. 5 - Prob. 3VSCCh. 5 - Prob. 4VSCCh. 5 - Prob. 5VSCCh. 5 - Prob. 1EAPCh. 5 - Prob. 2EAPCh. 5 - Why do we say that light is an...Ch. 5 - Prob. 4EAPCh. 5 - List the different forms of light in order from...
Ch. 5 - Prob. 6EAPCh. 5 - Prob. 7EAPCh. 5 - What is electrical charge? Will an electron and a...Ch. 5 - Describe the phase changes of water as you heat...Ch. 5 - Prob. 10EAPCh. 5 - Prob. 11EAPCh. 5 - Prob. 12EAPCh. 5 - Prob. 13EAPCh. 5 - Prob. 14EAPCh. 5 - Prob. 15EAPCh. 5 - Prob. 16EAPCh. 5 - Does It Make Sense? Decide whether the statement...Ch. 5 - Does It Make Sense? Decide whether the statement...Ch. 5 - Prob. 19EAPCh. 5 - Prob. 20EAPCh. 5 - Prob. 21EAPCh. 5 - Prob. 22EAPCh. 5 - Prob. 23EAPCh. 5 - Does It Make Sense? Decide whether the statement...Ch. 5 - Does It Make Sense? Decide whether the statement...Ch. 5 - Does It Make Sense? Decide whether the statement...Ch. 5 - Prob. 27EAPCh. 5 - Prob. 28EAPCh. 5 - Prob. 29EAPCh. 5 - Prob. 30EAPCh. 5 - Prob. 31EAPCh. 5 - Prob. 32EAPCh. 5 - Prob. 33EAPCh. 5 - Prob. 34EAPCh. 5 - Prob. 35EAPCh. 5 - Choose the best answer to each of the following....Ch. 5 - Prob. 39EAPCh. 5 - Prob. 40EAPCh. 5 - Prob. 41EAPCh. 5 - Prob. 42EAPCh. 5 - Prob. 43EAPCh. 5 - Atomic Terminology Practice II. What are the...Ch. 5 - Prob. 45EAPCh. 5 - Prob. 46EAPCh. 5 - Prob. 47EAPCh. 5 - Prob. 48EAPCh. 5 - Prob. 49EAPCh. 5 - Prob. 50EAPCh. 5 - Prob. 51EAPCh. 5 - Human Wattage. A typical adult uses about 2500...Ch. 5 - Electric Bill. Your electric utility bill probably...Ch. 5 - Prob. 54EAPCh. 5 - Prob. 55EAPCh. 5 - Prob. 56EAPCh. 5 - Prob. 57EAPCh. 5 - Prob. 58EAPCh. 5 - Prob. 59EAPCh. 5 - Prob. 60EAPCh. 5 - Prob. 61EAP
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- 1. What can you observe from the picture below? Explain in detail. Penetrates Earth's Atmosphere? Radiation Type Radio Wavelength (m) 10³ Approximate Scale of Wavelength Frequency (Hz) Temperature of objects at which this radiation is the most intense wavelength emitted Y 104 GR N wwwwwww Visible 0.5x10-6 Microwave 10-² 108 Infrared 10-5 Buildings Humans Butterflies Needle Point Protozoans Molecules Atoms 1K -272 °C 10¹2 100 K -173 °C 10¹5 10,000 K 9,727 °C N Ultraviolet X-ray 10-8 10-10 1016 10¹8 10,000,000 K -10,000,000 °C Gamma ray 10-12 Atomic Nuclei 1020arrow_forwardWhat is critical temperature Tc ? Do all materials have a critical temperature? Explain why or why not.arrow_forward6arrow_forward
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