The spectrum of another astronomical object has a peak wavelength of 51 nanometers. What is the likely surface temperature of this object? Make that calculation, showing your work
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The spectrum of another astronomical object has a peak wavelength of 51 nanometers. What is the likely surface temperature of this object? Make that calculation, showing your work
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- I want the calculation for this experiment with all solution steps Note: the unit of thermal conductivity w/m.kState whether it is true that “the A spectrum is AM0 and the B spectrum is AM1.5”. Explain why B is weaker than A across the whole wavelength range. Show how you estimate the surface temperature of the Sun using the given spectrum.Calculate the value for the KB x-ray wavelength for molybdenum (Z=42) in meters. Moseley's law is in the attached image, and use 1.097E-7 m for Rydberg's -1 constant R. Enter the result in scientific notation, eg. if the value is 6371.0 km use 6.3710E+6 for an answer in meters. 1 λK Type your numeric answer and submit R(Z - 1)² 1² (1/2-1/2) n² Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10³)
- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . If a horseshoe is heated in a blacksmith’s furnace until it glows red hot, does the mass of the horseshoe change? If a spring is stretched to twice its equilibrium length, has its mass been altered in the process? If so, explain how and why in each case.3) Note : Proceeding questions are all linked to section a). If your solution does not contain the answer to section a), the latter sections will not be considered. carbon target D/2 -L-R L a) Use geometry of the given figure above to show, D Rsin(- 2R D L-R+ Rcos( 2 R $ = = arctan Here o is our deviation angle in our electron diffraction experiment. b) Now, set L to R to and express 0 in terms of D. Hint : Use the relation between Bragg angle,0and deviation angle,p.Ultraviolet light of 0.1 um wavelength is incident upon a metal. Which of the metals listed in table 6.2 will emit electrons in response to the input light? Show your reasoning..
- Using your knowledge of these equations: Energy unit conversions between electron volts (eV) and joules, (J); Einstein's photon energy equation; Compton's momentum equation; de Broglie's wavelength equation Quantitatively compare a 3.1 eV photon and a 3.1 eV electron by completing the following data table (attached). Note: For any required calculation, be sure to include both your calculation and your answer.Show your work on a separate sheet of paper to be submitted at the end of the exam. Calculate the wavelength (in m) of a photon of light whose energy is 8.37x10 19, Do not include units on your answer Report your answer to 2 significant figures. If you need to use scientific notation, use the following format ex. 6.02x10- would be 6.02E23 QUESTION 48 Click Save and Submit to save and submit. Click Save AlL Answers to save all answers.Answer the following A. A comet has just passed the Earth and its peak emission is observed at 15000 nm. Determine in which region of the electromagnetic spectrum (e.g. X-ray, infrared, visible, ultraviolet, ...) the peak emission wavelength resides. What is the temperature of the comet? B. Within the Solar System, a convenient unit of measurement is the Earth-Sun distance, called an astronomical unit (AU). For bigger distances, we use the light year (LY), the distance that light travels in one year. We can expand our lingo to include other measures of distance, for example, light days, light minutes, and light hours. Starting with the values you can look up in the Appendices for the speed of light and the astronomical unit, calculate how many “light minutes” there are in 1 AU. C. What is the observable universe? How big is it?