# Formulae Physics for Tripura PSC Exam

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 No. Mechanics 1. Linear motion with constant acceleration 2. Relative motion 3. Momentum of a particle 4. Newton՚s experimental law (NEL) 5. Conservation of momentum 6. Impulse (change in momentum) 7. Angle in radians 8. Angular velocity 9. Linear velocity and angular velocity 10. Centripetal acceleration 11. Centripetal force 12. Newton՚s law of gravitation 13. Force and acceleration 14. Weight and acceleration due to gravity 15. Period of a satellite 16. Moment of a force 17 Torque of a couple Centres of gravity 1. Hemisphere, radius 2. Hemispherical shell, radius 3. Right circular cone 4. Triangular lamina 5. Arc, radius , angle 6. Sector of disc, radius , angle Moment of Inertia 1. Uniform rod, length 2. Uniform disc, radius 3. Uniform hoop, radius 4. Uniform solid sphere, radius 5. Parallel axis theorem 6. Perpendicular axis theorem 7. Hooke՚s law 8. Simple harmonic motion 9. Simple pendulum 10. Compound pendulum 11. Work 12. Potential (gravitational) energy 13. Kinetic energy 14. Principle of conservation of mechanical energy 15. Mass-energy equivalence 16. Power 17. Percentage efficiency 18. Young՚s modulus 19. Stress 20. Strain 21. Density 22. Pressure 23. Pressure in a fluid 24. Thrust on an immersed plane surface 25. Boyle՚s law Heat and temperature 1. Celsius temperature 2. Energy needed to change temperature 3. Energy needed to change state Waves 1. Velocity of a wave 2. Doppler effect 3. Fundamental frequency of a stretched string 4. Mirror and lens formula 5. Magnification 6. Power of a lens 7. Two lenses in contact 8. Refractive index 9. Diffraction grating Electricity 1. Coulomb՚s law 2. Electric field strength 3. Potential difference 4. Ohm՚s law 5. Resistivity 6. Resistors in series 7. Resistors in parallel 8. Wheatstone bridge 9. Joule՚s law 10. Force on a current-carrying conductor 11. Force on a charged particle 12. Induced emf 13. Alternating voltage and current 14. Capacitance 15. Parallel-plate capacitor 16. Energy stored in capacitor 17. Power 18. Magnetic flux 19. Transformer Modern physics 1. Energy of a photon 2. Einstein՚s photoelectric equation 3. Law of radioactive decay 4. Half-life 5. Mass-energy equivalence