List of data, formulae and relationships Data molar gas constant Avogadro constant acceleration due to gravity R = 8.31 J K-1 mol-1 NA = 6.02 1023 mol-1 g = 9.81 m s-2 (close to the Earth) speed of light in vacuum charge of electron electron rest mass permittivity of free space permeability of free space c = 3.00 108 m s-1 e = 1.60 10-19 C me = 9.11 10-31 kg o = 8.85 10-12 C2 N-1 m-2 o = 4 10-7 H m-1 Rectilinear motion Mathematics For uniformly accelerated motion : Equation of a straight line y m x c v u at s ut 1 2 at 2 v 2 u 2 2a s Arc length = r Surface area of cylinder = 2 r h 2 r 2 Volume of cylinder = r2 h Surface area of sphere = 4r2 Volume of sphere = For small angles, energy transfer during heating and cooling energy transfer during change of state 4 3 r 3 sin tan (in radians) D2. E Q 4 o r 2 electric field due to a point charge D3. V Q 4 o r electric potential due to a point charge V d electric field between parallel plates (numerically) general current flow equation resistance and resistivity A1. E m c T A2. E lm A3. PV n R T A4. 1 N m c2 3 3 RT EK 2N A v p F m t t kinetic theory equation molecular kinetic theory Force D7. R R1 R2 resistors in series B2. moment = F d moment of a force D8. 1 1 1 R R1 R2 resistors in parallel B3. Ep m g h gravitational potential energy D9. P IV power in a circuit A5. B1. PV equation of state for an ideal gas D4. D5. D6. E I n Av Q R l A I2 R S5 Final Examination - List of data, formulae and relationships P.1 1 mv2 2 B4. EK B5. P Fv B6. a B7. C1. W t v2 2 r r G m1 m2 F r2 y D a C2. d sin n C3. 1 1 1 u v f D1. F Q1 Q2 4 o r 2 kinetic energy D10. mechanical power D11. F BIl sin centripetal acceleration D12. Newton's law of gravitation D13. BI nQt I B o 2r NI B o l fringe width in double-slit interference diffraction grating equation equation for a single lens D14. F BQv sin V D15. N t D16. VS N S VP N P force on a moving charge in a magnetic field force on a current carrying conductor in a magnetic field Hall voltage magnetic field due to a long straight wire magnetic field inside long solenoid induced e.m.f. ratio of secondary voltage to primary voltage in a transformer Coulomb’s law S5 Final Examination - List of data, formulae and relationships P.2