4. The wavelength of a distant star is observed to be 656.8 nm. In the lab, a similar type of star is modeled and should emit a wavelength of 121.6 nm. Using this data calculate the red-shift parameter.
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- 2. What is the wavelength of the following figure. Answer in 4 sig. fig. (include correct unit) * 279.2 cm Your answerThe wavelength of the peak of the blackbody distribution was found to follow Wein’s Displacement Law. Calculate the peak wavelength of a bluish-white star that radiates at temperature 20000 K. a) 145 nm b) 100 nm c) 114 nm d) 155 nm2. What is the mass of a photon with wavelength, 628nm (red light). What is the energy of the photon? What is the mass of a photon that has a zero velocity?
- 5. Calculate the energy of a photon of wavelength 702nm.6. What is the temperature of an object if the peak wavelength of its blackbody spectrum is 1200 micrometers? a. 2.4 K b. 25 K С. 322 К d. 833 K e. None of these CS Scanned with CamScanner2. Calculate the wavelength of a photon that has a frequency of 3.5 x 1011 Hz. Convert your answer into micrometers
- 1. The speed of light in vacuum is 3 X 105 km/s and 1 km = 1,000 m and 1m = 100 cm. Use c = f A to determine the frequency of a photon with a wavelength of 2 cm.2. The emission spectrum for sodium below shows two bright lines at frequency 1(f ) and frequency 2(f ). The difference in energy between Frequency 1 and Frequency 2 can be determined with what formula using the frequencies (f and f ) and Planck’s constant (h)? answer choices are in the images attached!!