104 10 increasing frequency (7) 10 100 10" 102 10 10 10 10 f(H2) microwave FM AM y-rays x-rays UV IR long radio waves radio waves 10-16 10-14 10-12 10-10 10 10 10 10 10 10 10 10 10 2(m) increasing wavelength (2) → visible spectrum V G Y 0 R Use the electromagnetic spectrum above to answer the following questions. Note that the numbers above the visible spectrum indicate the wavelength in nanometers. If you measure a light wave to have 1 = 525 nm, what color would this be? Select an answer ♥ A different light has a frequency of 6.17*10^14 Hz. What is its wavelength in meters? m What color would this be? [Select an answer OSt ORE

104 10 increasing frequency (7) 10 100 10" 102 10 10 10 10 f(H2) microwave FM AM y-rays x-rays UV IR long radio waves radio waves 10-16 10-14 10-12 10-10 10 10 10 10 10 10 10 10 10 2(m) increasing wavelength (2) → visible spectrum V G Y 0 R Use the electromagnetic spectrum above to answer the following questions. Note that the numbers above the visible spectrum indicate the wavelength in nanometers. If you measure a light wave to have 1 = 525 nm, what color would this be? Select an answer ♥ A different light has a frequency of 6.17*10^14 Hz. What is its wavelength in meters? m What color would this be? [Select an answer OSt ORE

Astronomy

1st Edition

ISBN:9781938168284

Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff

Chapter5: Radiation And Spectra

Section: Chapter Questions

Problem 38E: An idealized radiating object does not reflect or scatter any radiation but instead absorbs all of...

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An idealized radiating object does not reflect or scatter any radiation but instead absorbs all of the electromagnetic energy that falls on it. Can you explain why astronomers call such an object a blackbody? Keep in mind that even stars, which shine brightly in a variety of colors, are considered blackbodies. Explain why.
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