Lithium has a work function of 2.3ev. If 400nm light is incident on it, what is the maximum kinetic energy ? Chemistry Bohr Model of the Atom Calculations with wavelength and frequency
No. A comma precedes such as when what follows is an example of whatever went before. In this case, it is nonrestrictive. (For nonrestrictive constructions: use a comma.).
Confidence votes 94. In open punctuation Style, appropriate punctuation marks are used in the body of the letter, but the other parts of the letter are not punctuated (unless the line ends in an abbreviation which requires a period).