On the Jablonski diagram below, draw and label the following interactions. a. 1 photon fluorescence b. 2 photon fluorescence c. Second harmonic generationd. d. Rayleigh Scatteringe. e. Infrared absorption f. UV/VIS absorption
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- Elliptical cavity is used in Nd:YAG laser to provide better absorption of incident light. Explain . 2) In a coherent state all photons condense into one state . Explain.1. List 2 advantages of infrared spectroscopy 2. Explain in detail the work principle of Infrared spectroscopy 3. How many vibrational; modes are there in tetrahedral CH4 molecule 4. Explain out plane and Asymmetrical vibration 5.Explain the principle of operation of UV-Spectroscopy 6. Discuss 2 factors that result in deviation from Beer's lawShow that h*c= 1240 eV*nm
- Which one isn’t not rotationally raman active? HCN, HF, Br2, CCL4Consider a trigonal bipyramidal molecule XY5. (i) To which point group does this molecule belong? (ii) How many normal modes and how many stretching vibrations will this molecule exhibit? (iii) Determine the irreducible representations of stretching vibrations of this molecule. Clearly show all your work. (iv) Which of these vibrations stretching are IR and which are Raman active? Justify your choice How many normal modes and how many stretching vibrations will this molecule exhibit- For 7Co™ calculate:- A) magnetic state (term symbol) B) total magnetic moment C) total number of multiplets D) spin orbit interaction F) Is it Dia, Para, or Ferromagnet
- In an atomic absorption spectrum experiment, Linsey treated a gaseousHe+sample in first excited state with a laser beam that contains all light in rangethat (100 nm ≤ λ ≤ 300 nm).1 ??????? = 2.18 × 10−18 ?a) What is spectral region of this laser beam used? (i.e. Are they UV light?purple light? Infrared radiation?) b) Calculate the maximum and minimum Ephoton in this laser beam. c) Linsey observed a total of 4 dark lines on the bright background in their final absorption spectrum. Explain the physical meaning of the dark lineson the spectrum. Then use an energy level diagram to analyze what each linecorresponds to. (Hint: assume activated electrons will not be activated again) d) Calculate the wavelength of the first line (low wavelength lines appearfirst) on the absorption spectrum.The next graph is 'Graphene's Optical Absorption Graph'. Explain why strong absorption is possible in the 4.62 eV area based on the "band structure of graphene". For the answer, please type in the case of letters, not images. Thank you.Which (out of the 24) unkowns could this IR be?
- My professor said if there is a shift in the dipole moment it's IR active. I got C and D as IR Active. I got A, B, E, and F as Raman since there is no dipole moment. They all cancel out. Is that correct? I know the F is also a forbidden transition.A 270nm laser is used as excitation of flourescence analysis. A given sample has a flourescence intensity of 1740.0. calculate the concentration of the sampleDetermine the possible values for s2p1 configuration and use them to prepare a microstate table and assign the ground state term.