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One Concept / Day

I’m excited to launch a new Revision Series called "One Concept Per Day," where I will post Daily Revision Questions on a specific concept from the IBDP Physics curriculum. This structured approach will help students reinforce their understanding and improve their exam performance.

For the Question paper, Join my Whatsapp group: https://rebrand.ly/ibphysicswithrao

    Data Analysis

    ✅ Finding Absolute Uncertainities using Propogation of Errors
    ✅ Drawing line of best fit and Identifying Systematic error from the graph
    ✅Converting Absolute uncertainity to Percentage uncertainity.

    Projectile Motion

    ✅ Finding velocity components using a trajectory graph
    Determining speed of a particle thrown from a cliff at an angle
    Calculating horizontal distance where the particle lands when launched from a cliff

    Electric Circuits

    ✅ Impact of adding a resistor on current and potential drop in a circuit
    ✅ Understanding short circuit and open circuit conditions in electrical circuits
    ✅ Determining the EMF of a cell using a voltage-current graph

    Ideal Gases

    Internal energy vs. temperature – Key differences
    Maxwell’s velocity distribution – Understanding molecular speeds
    Work in an isothermal process – Energy changes at constant temperature

    Interference and Diffraction

    Coherence in interference – Why phase consistency matters
    Intensity patterns – Sketching for interference & single-slit diffraction
    Angular separation & wavelength – Calculations in interference experiments

    Conservation of Momentum in Nuclear Physics

    Conservation of Momentum – Definition & when it doesn’t apply
    Nuclear Reactions – Balancing equations
    Momentum in Nuclear Decay – Direction of particles

    LECTURE ON HR DIAGRAMS

    HR Diagrams and their Interpretation

    Identifying stars using HR diagram – Main sequence, Red giants and White Dwarfs ✅ Evolution of a star using HR diagram – Evolution, Nuclear Reactions.
    Parameter Estimation using HR diagrams – Size, distance, Temperature, Luminosity calculations

    Magnetic Forces

    Identifying Magnetic fields – Parallel, Single and Circular current carrying wire
    Force between two conductors – Usage for left hand rule
    Finding Current due to Charge motion – Discrete particles and its deviation

    Specific Heat

    Definition of Specific Heat – Understanding its significance in thermodynamics
    Specific Heat in Gases – Differences between two types and their applications
    Heat & Electrical Resistance – Using specific heat to find resistance

    I-V Characteristics

    Finding Resistance – Using voltage & current rating of a lamp.
    Effect of a Voltmeter – How a non-ideal voltmeter alters current flow.
    I-V Characteristics – Determining resistance from a current-voltage graph.
    Linear vs. Non-Linear Elements – Comparing current-voltage behavior in circuits.

    Reflection and Refraction

    Finding Refraction Angle – Applying Snell’s Law to determine refracting angle.
    Optical Fibers & TIR – Understanding conditions for total internal reflection.
    Ultrasonic Distance Measurement – Using wave reflections to calculate distance.

    Rutherford's Alpha particle Scattering

    Conservation of Momentum – Momentum transfer during alpha particle deflections.
    Vector Addition – Applying vector analysis to predict particle trajectories.
    Energy Conservation – Understanding energy transformations in scattering events. ✅ Coulombian Force – Exploring electrostatic forces in nuclear interactions.

    Bohr's Atomic Model

    Reasoning the contradiction in classical physics using stationary orbits
    Understanding Bohr’s postulates and their significance
    Finding the longest wavelength in the visible spectrum using Bohr’s model
    Angular momentum quantization condition and its implications

    Binding Energy Calculations

    Energy release in fission & fusion – Using binding energy per nucleon
    Calculating number of atoms – From nuclear activity
    Binding energy & stability – Understanding isotope stability

    Coulomb's Laws

    Force vs. 1/r² graph – Understanding the inverse-square law
    Systematic vs. Random Error – Differentiating errors in data
    Finding charge magnitude via graphical transformation

    Gravitational Field and Potential:

    Gravitational Field from Potential – Using potential-distance graphs
    Kepler’s Laws – Understanding planetary motion
    Escape & Orbital Velocity – Applying field equations
    Weightlessness – Exploring its concept in space

    Basic Kinematics:

    Finding Speed & Displacement – Applying kinematic equations
    Police-Thief Problem – Solving relative motion between vehicles
    v-t Graphs & Displacement – Interpreting motion graphs
    Deriving Equations of Motion – Strengthening fundamentals
    Estimating Camera Shutter Speed – Using a ball drop experiment