Answer / vikash6038

sodium lamp gives monochromatic light i.e light having only
single wavelength at 589nm.... other lamp can also be used
tht could produce radiation of single wavelenth...
eg; mercury lamp.

In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

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