True or false: red's maximum power is larger than violet's maximum power. Spectral parts UV VIS IR-A IR-B 2.5 2.0 1.5- 1.0 0.5 0.0 500 1000 1500 2000 2500 3000 Photon wavelength [nm] True False Spectral irradiance [W/m?nm]
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- Q8 : From the electromagnetic frequency formula prove that the wavelength is equal to: 1.24 (um) E-Ef Q9: What is the minimum voltage that must be applied across the tube in order to producex-rays having a wavelength of 0.5m? (Ans. 188.8 mv).For problem 35 calculate the thickness of the acetone in micrometers if the wavelength of the source is changed to 624.0 nm!! (5 sig figs)2.4 A sample of Fe, like many materials, expands as it is warmed. What will happen to the size of the diffraction pattern as the sample is warmed. Why?
- Q1. Solve the following, Assuming the spherical D- layer has a refractive index of 0.75, and the frequency of transmitted signal is 50MHZ, at an angle of incidence t/3 radians. A. Calculate the Electron density B. Find the critical frequency, C. Find Maximum usable frequency, if Nmax = 2x Ncritical|In a photoelectric effect experiment, the frequency of photons bombarding the surface is increased until photoelectrons just start to leave the surface. If this occurs at a frequency of 6.0 x 1014 Hz, what is the work function of the surface?In a biprism experiment, red light of wavelength 6500 Å was used. It was then replaced by green light of wavelength 5200 A.U. Find the value of n for which (n + 1) th green bright band would coincide with nth bright band, for the same setting. 111—————
- X-rays of an unknown wavelength are diffracted 43.4° by copper. Separate determinations indicate that this diffraction line for copper is the first-order line for d111. What is the wave- length of the x-rays? The same wavelength is used to analyze tungsten. What is the angle, 20, for the second-order diffraction lines of the do10 spacings?-co "O... 4. A 20.0-mW (milli-Watts) laser puts out a narrow cylindrical beam 1.60 mm in diameter. What is the average rms B- field? T3. EM radiation Consider EM waves in a 3D cavity of volume V at equilibrium with temperature T. As you derived in the previous problem, the density of modes in this case is given by g(w): - V w² πT² C3 Calculate the following: (a) The heat capacity of photon gas. (b) The total number of photons, N, and the entropy per photon, i.e. S/N. (c) The pressure of photon gas. Show that the equation of state of the photon gas is: PV = ¹⁄E.
- 3 MP HW 12 - PHY 122:0001-Phy Eng & Physical Sci |I (202 X C Unpolarized Light With Intensity 320 W/m? Passes F. | C X b My Questions | bartleby How Far l'll Go / Go the Distance - YouTube Music -> courses.maine.edu/d2l/le/content/143857/viewContent/5176217/View G =S 2 : 3 brightspace O alejjcink N primewire b Bartleby C Chegg IX Mathway limnu logo E Reading list MEE120 Calculator Create The Love new shadowplay nickpick >> Other bookmarks ewo Course TIOME Contet Course RESourcES ASSESSIMENTS TOOIS ieip Table of Contents > Module 13: Wave Optics I > MP HW 12 MP HW 12 口 - > I Review | Constants Unpolarized light with intensity 310 W/m² passes first through a polarizing filter with its axis vertical, then through a second polarizing filter. It emerges from the second filter with intensity 141 W/m2. Part A You may want to review (Pages 897 - 898) . What is the angle from vertical of the axis of the second polarizing filter? Express your answer to two significant figures and include the…In a biprism experiment, red light of wavelength 6500 A was used. It was then replaced by green light of wavelength 5200 A.U. Find the value of n for which (n + 1)th green bright band would coincide with nth bright band, for the same setting.waves Y, =S sin 25t t 10x and %3D 4. 9. Iwo are superim posed on each -103%; a medium. i- Determine Hthe eqiation Yz= Ssin 257- other the wave generated of new i) Erom the equation ai, describe stationary the characteristics of wave. Sketch the electromagnetic spectrum Cind state one uses of each.