briefly explain why emission by phosphorescence has longer wacelngth than absorption

Q: ow does fluorescence work in bulk semiconductors?

A: The term bulk semiconductor refers to the semiconductors which have large preservation of atoms and…

Q: What are the different types of Monochromator in IR spectroscopy? Explain each of them?  Please…

A: Monochromator in IR spectroscopy - A monochromator is an optical device that transmits a…

Q: tensity, lo, w elect one: O a. a lovely O b. unchar

A: Fluorescence is the emission of light by a substance thar has absorbed light or other…

Q: Ie 18llowing table 1 (nm) Region of spectrum v (sor Hz) E () V 500 1.5 x 1014 9.94 x 10-19 100

A:

Q: Peocedures involved when using Surface enhanced Raman spectroscopy(SERS) to determine the…

A: Sudan –IV is a fat-soluble azo dye which is used in coloring tiles, polishes. And it is banned by…

Q: What is the difference between the excitation and emission spectrum?

A: The peaks of emission spectrum are lower than excitation peak.

Q: Why can UV or higher energy radiation not be used for non- destructive spectroscopy of polymer…

A: The frequency of UV radiation ranges from f= 8×1014to 3× 1016Hz .That is the energy E= hv ranges…

Q: (C) Relative intensity 100 8 15 mv/z 20 41 40 57 60 68 81 80 85 100 OH 194M+. 120

A: A question based on mass spectroscopy. The given mass spectrum is to be analyzed with the molecule…

Q: What is the difference between an absorption spectrum and a standard curve?

A: The difference between an absorption spectrum and a standard curve has to be given,

Q: What are the nature of spectrum differences between Uv-visible and Fluorescence spectroscopy…

A: The nature of spectrum differences between Uv-visible and Fluorescence spectroscopy analysis has to…

Q: a) Convert the absorption value of 0.173 into % transmittance b) Convert the transmittance value of…

A:

Q: what is difference between Transmittance and absorbance in spectroscopy?

A: The main difference between transmittance and Absorbance is that transmittance measure how much…

Q: What color would you expect for light transmitted through a solution with an absorption maximum at…

A: The color expect for the light transmitted through a solution with an absorption maximum at given…

Q: Calculate the energy in KJ/mol associated with the 3.517-μm vibrational absorption band of an…

A: Given: Wavelength, λ = 3.517 μm Converting μm to m as: 1 μm = 10-6 m Therefore, wavelength =…

Q: What

A: Atomic absorption spectroscopy  Molecular absorption spectroscopy  1.Atomic absorption…

Q: Absorption Region X Ultraviolet Visible; Region X Molecular Vibration Region X Electronic Transition…

A: Electromagnetic spectrum is defined as range of electromagnetic radiation . All types of…

Q: Spectrum 8 Relative Intensity 100 80 60 40 20- 0 10 MS-NW-1102 20 30 40 7 50 m/z 60 70 80

A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…

Q: Describe how a deuterium lamp can be used to provide background correction for an atomic absorption…

A: Atomic absorption spectra (AAS) show background absorption due to molecular absorption that occurs…

Q: Calculate the absorption frequency corresponding to the iCiH stretching vibration treating the group…

A: The IR spectroscopy theory utilizes the concept that molecules tend to absorb specific frequencies…

Q: What is main difference between a single beam and a double beam spectrophotometer? (b) What light…

A: A) Single beam spectrometer:it is utilised one beam of light that passes through the sample and the…