Science Define the term power of a lens. In what unit it is expressed?Question:Define the term power of a lens. In what unit it is expressed?Power:The general definition of power is the rate of doing work. This definition works out great for the major part of Physics and M...
I allude to the placing of the divided thermometer stem in a larger tube forming a jacket to it, and fixing it with india-rubbcr packing, which makes an air-tight sto1;per round the necl~. . Now it is frequently observed that wne~1 thermom~t~rs :l:ttted m this manner are ...