College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Speed of light
The speed at which the light travels in a vacuum is unbiased for both the source and inertial frame of reference of the observer. This was postulated by the physicist, Albert Einstein, by observing the theory of electromagnetism of Maxwell. Also, there w…
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Ppease please solve questions-03 please solve accurate and exact answer please thanks

Question 2 Astronomers have taken the spectrum of a new star and found it to be continuous with several dark lines. The continuous spectrum has a peak wavelength of 534 nm. Show all work for the calculation and upload an image of the work. a) Using all appropriate Kirckhoff's Laws describe what the above information tells us about the nature of this star. b) What is the temperature of this star? Upload Choose a File Question 3 A later observation of the object from question 2 was made and it was discovered that the dark lines are shifted by 15 nm to longer wavelengths than expected. a) What does the shift in the wavelength tell us about the motion of the object? b) A second star is observed to have its lines shifted by 20 nm to shorter wavelengths. Which of these two stars is moving the fastest?
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Transcribed Image Text:Question 2 Astronomers have taken the spectrum of a new star and found it to be continuous with several dark lines. The continuous spectrum has a peak wavelength of 534 nm. Show all work for the calculation and upload an image of the work. a) Using all appropriate Kirckhoff's Laws describe what the above information tells us about the nature of this star. b) What is the temperature of this star? Upload Choose a File Question 3 A later observation of the object from question 2 was made and it was discovered that the dark lines are shifted by 15 nm to longer wavelengths than expected. a) What does the shift in the wavelength tell us about the motion of the object? b) A second star is observed to have its lines shifted by 20 nm to shorter wavelengths. Which of these two stars is moving the fastest?
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