Check all boxes that apply.Ultraviolet radiation:is invisible to human eyes.O travels at a speed of 3x10®m/s through allmediums.O has a higher frequency than microwaveradiation.O has a higher frequency than blue light.O has a longer wavelength than radio waves.O has a shorter wavelength than blue light.O has a shorter wavelength than gammarays.O cannot enter our atmosphere.does not experience total internalrefraction.

Answered: Image /qna-images/answer/7e41584c-d5ce-46dd-9238-9f62e5ed9962.jpg

Answered: Ultraviolet radiation: O is invisible…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter27: Quantum Physics

Section: Chapter Questions

Problem 19P

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(a) What is the momentum of a 0.0100-nm-wavelength photon that could detect details of an atom? (b) What is its energy in MeV?
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11A). A sample of Uranium started with equal amounts of U235 and U238 (50% U235 and 50% U238 by count). After 1 billion years, what percentage is U235? You can use appendix B for half-lives. 11B). Photons with energy of 2.35 eV are used in a photoelectric effect experiment. The binding energy of the material used is 1.85 eV. What is the de Broglie wavelength of the ejected electrons? 11C). A spaceship has a proper length of 10.0m and is observed to travel at 0.855c relative to earth. a) What is the length of the spaceship as observed by someone on earth? b) If the spaceship has a mass of 1255 kg, what is the kinetic energy of the spaceship?
Consider a small pot with an aluminum base. The base has a thickness of 2.0mm and a diameter of 19 cm. Water in this pot is boiling at 100. 'C. Heat transfer rate is estimated at 101,000 J/s. Assume that heat enters the water only from the bottom of the pot through the aluminum base. Find the temperature of the heating element on which the aluminum bottom rests to 3 sig fig. revious F5 F8 AA
12QM. Please answer question throughly and detailed.
QUESTION1: Stefan-Boltzman law can be used to estimate H emitted from a surface where H = AeoT, where H = surface area (m2) in units of watts, e = diffusivity characterizing the spreading properties of the surface, o = a universal constant called the Stefan-Boltzman constant. (-5.67x108 W m?K4) and T = absolute temperature (K). a) Determine the error of the radiation H of a steel sphere surface with radius = 0.15 + 0.02 m, e 0.90+ 0.05 and T = 550 ± 25 K. Compare your results with the exact error. Calculations b) radius = 0.15 0.01 m, e 0.90 +0.025 Repeat for T = 550 12.5 K. and Interpret your results.
1. A point source of Co-60 gamma rays emits qual number of photons of 1.17 and 1.33 MeV, giving a flux density of 5.7 × 10⁹ photons/cm² sec at a specified location. What is the energy flux density there, expressed in erg/cm² sec and in J/m² min?
Which of the following statements about a black body are true? Select one or more: a.The spectrum of the cosmic background radiation corresponds with great accuracy to the radiation of a black body at a temperature of 2.7 K. b.A black body absorbs all the radiation that hits it, and emits no radiation at all. c.According to Planck's radiation law (black body distribution), the wavelength corresponding to the maximum energy density of the radiation decreases (and the frequency increases) as the temperature increases. d.A black body reflects all the radiation that hits it, and absorbs no radiation at all.
Which of the following statements about a black body are true? Select one or more: a. The spectrum of the cosmic background radiation corresponds with great accuracy to the radiation of a black body at a temperature of 2.7 K. b. A black body absorbs all the radiation that hits it, and emits no radiation at all. C. According to Planck's radiation law (black body distribution), the wavelength corresponding to the maximum energy density of the radiation decreases (and the frequency increases) as the temperature increases. d. A black body reflects all the radiation that hits it, and absorbs no radiation at all.
How rapidly would each of the following particles be moving if they all had the same wavelength as a photon of red light (wavelength = 750 nm)?a. An electron of mass 9.10939 x 10^-28 g?b. A proton of mas 1.67262 x 10^-24 gc. A neutron of mass 1.67493 x 10^-24 gd. An alpha particle of mass 6.64 x 10^-24 g Please don't provide handwriting solution
An excited nucleus emits a gamma-ray photon with an energy of 2.55Mev. a) what is the photons energy in joules? b) what is the photons frequency (in hertz). C) what is the photons wavelength? (In metres).
An astronomer observes the spectrum of a distant star and notices that the Hydrogen alpha absorption line appears with a wavelength of 590.4 nm. This spectral line has a wavelength of 656 nm when measured in the laboratory. Choose the option below that most plausibly explains this observation. Select one: а. Some intervening material must be imposing an unusual absorption spectrum on the star's continuum radiation O b. The star is moving towards the observer with a speed of 10% of the speed of light. О с. The star is moving away from the observer with a speed of 10% of the speed of light O d. The star is moving towards the observer with a speed 10 m/s O e. The star has a very hot atmosphere е. that changes the wavelengths of the spectral lines

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Ultraviolet radiation: O is invisible to human eyes. O travels at a speed of 3x10°m/s thrc mediums. O has a higher frequency than microw radiation. O has a higher frequency than blue lig