Physics 9702,12 Oct Nov 2024

1. Physical quantities and SI units: identification of correct unit-quantity combinations, uncertainty calculations in volume measurements.

2. Mechanics and kinematics: estimation of kinetic energy of a car, velocity-time graph for an accelerating object, motion of falling and horizontally projected objects.

3. Momentum and collisions: inelastic collision momentum conservation, impulse calculation in wall collision, kinetic energy loss in train carriage collision.

4. Forces and equilibrium: equilibrium conditions, force vector diagrams, moment calculations, pressure exerted by a solid block.

5. Work, energy, and power: definitions of power and energy conservation, efficiency calculation, work done in lifting a barrel, stress and Young’s modulus analysis.

6. Waves and oscillations: Hooke’s law verification from stress-strain graph, work done in stretching a spring, polarization of light, diffraction effects.

7. Electricity and circuits: Kirchhoff’s laws, current-voltage characteristics of a filament lamp, drift velocity calculations, internal resistance determination.

8. Modern physics: properties of quarks, decay processes of isotopes, particle interactions in beta decay, frequency calculation from stationary wave data.