# Formulae Physics for IAS

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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 |