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

PROBLEM - 1

PROBLEM - 2

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.

PROBLEM - 3

PROBLEM -4

PROBLEM -5

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

PROBLEM - 6

PROBLEM -7

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

PROBLEM - 8

PROBLEM - 9

PROBLEM -10

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

PROBLEM - 11

PROBLEM -12

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

PROBLEM - 13

PROBLEM -14

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

PROBLEM -15

PROBLEM -16

PROBLEM -17

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

PROBLEM - 18

PROBLEM -19

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

PROBLEM - 20

PROBLEM -21

PROBLEM -22

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

PROBLEM - 23

PROBLEM -24

PROBLEM -25

PROBLEM -26

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.

PROBLEM -27

PROBLEM -28

PROBLEM -29

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.