Answered: (ii) Explain the operation of a…

Related questions

Question

(ii) Explain the operation of a tungsten source used in absorbance spectroscopy.
(iii) Explain the operation of a Diode Array Detector in a UV absorbance spectrometer.
(iv) Why are atomic emission spectra “lines” whereas molecular emission spectra are normally
“bands”?

Expert Solution

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

By what fraction would the wavelength of one component of the 630.25-nm Fe I spectral line change as a consequence of a magnetic field of 0.3 T? 6 paints)
Constants Ideal gas constant: = 8.314 J K mol- = 0.083 dm bar K mol = 0.082 dm atm K mol Avogadro's constant: NA = 6.022x1023 mol-! Boltzmann constant: k 1.38x1023 J K Speed of light: c = 3 x 10% m s Planck's constant: h = 6.626x1034 J s 1 bar = 105 Pa 1 atm = 101325 Pa Relations U = NKT²(n = + k In Q S = %3D A = -kT In Q G = -NkT In) R.
1) The Sun cranks out about 4 x 1026 J/s, i.e. its radiant power pe = 4 x 10²6 W. For a square meter of area here on the Earth whose surface normal points directly to the Sun, how many watts are received? How many 550-nm photons would that correspond to? (The Earth-Sun distance is about 150x100 km.)
If an average of 10000 photons are detected per mm2 the probability of detecting between 9800 and 10200 counts in any exposed mm2 is approximately: a) 59 b) 75 c) 89 d) 95 e) 99
For a given accelerating voltage, an electron microscope has a certain theoretical resolution. Suppose that instead of a beam of electrons you used a beam of protons, with the same accelerating voltage. How would this affect the theoretical resolution?
If an alpha particle has 50 fm as its distance of closest approach when incident on a gold foil, what will be its kinetic energy?