Since we cannot physically collect data from stars and most other objects in the universe, almost all of the information we obtain from the universe comes from analyzing the light, or spectra, from those objects. the study of light is known as spectroscopy. as we have seen in this simulation, every blackbody emits light with an easily identified pattern known as the blackbody curve. this is the particular way the total light emitted by a blackbody varies with its frequency. the exact form of the curve depends only on the body's temperature. since we can treat stars as blackbodies, this is incredibly useful in astronomy that shows us that the color of a star is also indicative of its temperature. use the simulation to determine the surface temperature of the following star: betelgeuse is a red supergiant star in the constellation orion. knowing that betelgeuse has peak intensity in the red and infrared wavelengths, adjust the intensity scale and temperature until you can determine the approximate surface temperature of the star. a. 3500k b. 4800k c. 7700k d. 11,000 k
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Physics, 21.06.2019 21:20
An artificial satellite circles the earth in a circular orbit at a location where the acceleration due to gravity is 6.03 m/s^2. determine the orbital period of the satellite.
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Physics, 21.06.2019 21:30
Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.
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Physics, 22.06.2019 14:30
Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
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Physics, 22.06.2019 14:30
What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
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Since we cannot physically collect data from stars and most other objects in the universe, almost al...
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