By Sunil Bhardwaj


#Photoelectric ColorimeterSpectrophotometers.
1In this case the source of radiation used is incandescent lamp with tungsten filament.In this case the source of radiation used is hydrogen or deuterium lamp, discharge tube, glow bar or Newtons glower.
2They are working with visible light.They are working with U.V. light, IR light and visible light.
3Colour filters are used.Monochromators are used.
4Beer-Lamberts Law is not strictly obeyed.Beer-Lamberts Law is strictly obeyed.
5Any coloured solutions can be analyzed.Coloured as well as colourless samples can be analyzed.
6With the help of this instrument only quantitative analysis is possible.Quantitative as well as qualitative analysis are possible.
7These instruments are not costly.These instruments are costly.
MCQ on Optical Methods from Analytical Chemistry
Prof. Gianfranco Coletti

Shared publicly - 2019-08-23 00:00:00

Don’t want your columns to simply stack in some grid tiers? Use a combination of different classes for each tier as needed. See the example below for a better idea of how it all works.

Prof. Maheshwar Sharon

Shared publicly - 2019-08-24 00:00:00

For grids that are the same from the smallest of devices to the largest, use the .col and .col-* classes. Specify a numbered class when you need a particularly sized column; otherwise, feel free to stick to


Shared publicly - 2023-02-28 11:09:52

this is


Shared publicly - 2023-02-28 10:48:10


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