The International System of Units (SI)Based in Sevres, France, the International Bureau of Weights and Measures serves as a depositor' for the primary international standards and as a laboratory for c
BranchConcerning FieldAcoustics- The study of sound (or the science of sound).Aerodynamics- (i)The branch of mechanics that deals with the motion of air and other gases.- (ii) The study of the motion