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 |