PHYSIC AL CONSTANTS CONSTANT Speed of light Elementary charge Electron mass Proton mass Gravitational constant Permeability constant Permittivity constant Boltzmann’s constant Universal gas constant Stefan–Boltzmann constant Planck’s constant Avogadro’s number Bohr radius SYMBOL c e me mp G m0 P0 k R s h 15 2p"2 NA a0 THREE-FIGURE VALUE 3.003108 m/s 1.60310219 C 9.11310231 kg 1.67310227 kg 6.67310211 N # m2/kg 2 1.2631026 N/A2 1H/m2 8.85310212 C 2/N # m2 1F/m2
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THE STUDENT'S PRACTICAL DICTIONARY ; fNdkoq ; CONTAINING English words with English and Hindi Meanings and Pronunciation in Deva Nagri Character with an Appendix containing Familiar Foreign Words and Phrases and Abbreviations in Common use. FIFTEENTH EDITION Thoroughly Revised,Improved,Enlarged and Illustrated PRICE 3 RUPESS ALLAHABAD RAM NARAIN LAL PUBLISHER AND BOOKSELLER 1936 ISCII text of dictionary taken from from TDIL's ftp: anu.tdil.gov.in pub dict site I N 1.m I Pron 1.m a Det 1.ek, abatement
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