Question

to analyze the percent sulfur in coal 5/6 .) If you double the frequency of electromagnetic radiation you the energ the energy ii) If you double the wavelength of electromagnetic radiation you (iii) A produces an electric signal when struck by photons. (iv) A produces many wavelengths in the visible and near-IR range. (v) The sample is contained in a for ultraviolet absorbance measurements. (vi) A disperses light into its component wavelengths. (vii) A alternately transmits light from source through sample and reference, (viii) To increase absorbance of any sample you can the pathlength. (ix) When fluorescence intensity decreases with increasing concentration occurring. is (x) Atomic requires no light source. (xi) Atomic absorption requires a different for each element. (xii) Before Iluorescence emission of a photon occurs of a photon must occur. (XU) A photon produced by fluorescence has a longer absorbed than the photon initially

Answer 1

i) as energy=hv (v=frequency) , means energy is directly proportional to freuency. so if we double the frequency ,energy gets doubled. So answer is double

ii) energy = hc/wavelength, means energy is inversely proportional to wavelenght. So if wavelength gets doubled, then energy become half. answer is half.

iii) metallic surface produces an electric signal when stuck by photons

iv) Quartz halogen light bulbs

v) cuvette

vi)prism

vii) Beam Chopper

viii) Absorbance= path length*concentration*extinction coefficient, so by increasing path length we can increase the absorption. So answer is Increase

ix) Concentration quenching

x) atomic emission requires no light source.

xi) source

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