Look up the wavelengths of the spectral lines of hydrogen, and the nomenclature used to label these lines. Identify the hydrogen lines in the solar spectrum over the range shown below.
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Look up the wavelengths of the spectral lines of hydrogen, and the nomenclature used to label these lines. Identify the hydrogen lines in the solar spectrum over the range shown below.
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- What is meant by the electromagnetic spectrum? Describe the types of radiations that exist in the electromagnetic spectrum.Which of the following statements are TRUE about the Sun's spectrum, which is shown in this image? Brightness 2.5 3.5 0 200 Sun's Spectrum vs. Thermal Radiator of a single temperature T = 5777 K peak spectrum of Sun spectrum of T = 5777 K blackbody emission spectrum (continuum) absorption lines 400 600 800 1000 1200 1400 1600 1800 Wavelength (nanometres) 2000 The spectrum shows the presence of many sunspots. The overall shape is consistent with a continuous spectrum emitted by a blackbody. The spectrum shows that the Sun emits light of all colors equally, which is why we see it as white. The spectrum shows that the Sun emits some light in ultraviolet wavelengths. The spectrum peaks in infrared wavelengths.Determine the wavelengths for the following black body radiation sources where they emit the most energy. Part A A blue-white star at 44,000 K. Express your answer with the appropriate units. Amax star Submit = μA Value m Previous Answers Request Answer www X Incorrect; Try Again; 27 attempts remaining ?
- If the temperature at the centre of the sun is 15,000,000 K and the temperature of the photosphere is 5,800 K, what is the ratio of the temperature at the centre of the Sun compared to the photosphere? Express your final answer in the fully factorised form x : 1, where x is a number that you should determine to an appropriate number of significant figures and write it using scientific notation.U U U U E Which diagram(s) show emission of Ultraviolet light? F B D A A D e B e E C F e-When astronomers look at the spectrum of the Sun, they noticed that the light from one edge is slightly blue-shifted, while light from the opposite age is slightly red-shifted. What does this tell you about the Sun?
- Earth tugs the Sun around as it orbits, but it affects the radial velocity of the sun by only 0.09m/s. How large a shift in wavelength does this cause in the Sun's spectrum at 575 nm?If you observe a star’s blackbody spectrum twice, once from Earth and once from a space shuttle above Earth’s atmosphere, what will you see? An absorption spectrum from Earth and a continuous spectrum from space An absorption spectrum from space and a continuous spectrum from Earth An absorption spectrum from space and an absorption spectrum with more absorption lines from Earth An absorption spectrum from Earth and an absorption spectrum with more absorption lines from spaceExplain why the presence of spectral lines of a given element in the solar spectrum tells you that element is present in the sun, but the absence of the lines would not necessarily mean the element is absent from the sun.