In science, convention is a generally accepted rule which has no scientific proof but gives accurate results whenever used. For example, by convention, the charge on an electron is taken to be negative. The results would be the same if scientists, initially, decided the charge on an electron to be positive and that on a proton to be negative.
Pingback:Errors, systematic and random errors … msa – msa
Pingback:System of units; base, derived and supplementary units … msa – msa
Pingback:Comprehensive Questions, Measurement … msa – msa