1. Accuracy vs. precision in physics measurements – Defining and distinguishing between accuracy and precision in experimental data. 2. Determination of internal resistance in a dry cell – Using experimental data and graphs to calculate the internal resistance of a depleted battery. 3. Validity of Ohm’s law in a filament lamp experiment – Assessing whether a filament lamp follows Ohm’s law based on current-voltage characteristics. 4. Determination of acceleration due to gravity using a pendulum – Evaluating methods to improve the accuracy of measuring gravitational acceleration with a simple pendulum. 5. Photoelectric effect and Planck’s constant determination – Using experimental data and graphical analysis to derive a value for Planck’s constant. 6. Electromagnetic induction and magnetic levitation in transport – Explaining the principles behind magnetic levitation and its advantages for high-speed trains.