7 Charge of + 3.2 x 10-19 C Alpha particle 8 Mass of alpha 6.4 x 10-27 kg particle 9 Dielectric k 80 constant of water 10 Magnetic µ0 4π x 10-7 Tesla meter/Ampere permeability of air 11 Speed of light c 3 x 108m/s 12 Gyromagnetic 8.8 x 1010 C/kg ratio 13 Planck’s h 6.62 x 10-34 Joule-second constant 14 Boltzmann kB 1.38 x 10-23 constant 15 Rydberg R 1.097 x 107 m-1 Constant 16 Nuclear 2.29 x 1017 kg/m3 density 17 Charge of + 1.6 x 10-19C positron 18 Gravitational G 6.67 x 10-11 N m2/kg2 Constant 19 Avgadro NA 6.022 x 1023 mol-1 number 20 Universal Gas 8.314 J /(mol Kelvin) Constant 21 Faraday 96500 Coulomb/mol constant IMPORTANT VALUES 1/(4πεo) = 9 x 109 N m2/C2 µ0/ 4π = 10-7 Tesla meter/Ampere 1 Gauss = 10-4 Tesla 1 electron Volt = 1 eV = 1.6 x10-19 J Magnitude of fundamental charge = e = 1.6 x 10-19 C 1 kilo Watt hour (I unit) = 3.6 x 106 J 1 horse power = 746 Watt
7 Charge of Alpha particle + 3.2 x 10-19 C 8 Mass of alpha particle 6.4 x 10-27 kg 9 Dielectric constant of water k 80 10 Magnetic permeability of air µ0 4π x 10-7 Tesla meter/Ampere 11 Speed of light c 3 x 108m/s 12 Gyromagnetic ratio 8.8 x 1010 C/kg 13 Planck’s constant h 6.62 x 10-34 Joule-second 14 Boltzmann constant kB 1.38 x 10-23 15 Rydberg Constant R 1.097 x 107 m-1 16 Nuclear density 2.29 x 1017 kg/m3 17 Charge of positron + 1.6 x 10-19C 18 Gravitational Constant G 6.67 x 10-11 N m2/kg2 19 Avgadro number NA 6.022 x 1023 mol-1 20 Universal Gas Constant 8.314 J /(mol Kelvin) 21 Faraday constant 96500 Coulomb/mol IMPORTANT VALUES 1/(4πεo) = 9 x 109 N m2/C2 µ0/ 4π = 10-7 Tesla meter/Ampere 1 Gauss = 10-4 Tesla 1 electron Volt = 1 eV = 1.6 x10-19 J Magnitude of fundamental charge = e = 1.6 x 10-19 C 1 kilo Watt hour (I unit) = 3.6 x 106 J 1 horse power = 746 Watt
question-bank-class-xii-physics.docx