Wave Optics — Class 12 CBSE Physics revision notes
A 3-page visual revision sheet for Wave Optics, written for Class 12 CBSE Physics. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.
What this Wave Optics sheet covers
- Wavefront
- Envelope
- New wavefront
- Coherence, the condition for a stable pattern
- Young's double slit
- path difference at a point on the screen
- bright fringe, constructive
- dark fringe, destructive
- fringe width
- The intensity pattern
- Diffraction at a single slit
- first minimum, slit width a
- nth minimum
- angular width of the central maximum
- Interference vs diffraction
- Interference
- Diffraction
- Resolving power
- Rayleigh criterion, limit of resolution
- resolving power of a microscope
- Polarisation
- Malus's law
- intensity after a second Polaroid at angle θ to the first
- crossed Polaroids, θ = 90°
- aligned Polaroids, θ = 0°
- Symbols
- Traps that cost marks
- Tricks that save time
How CapCompass uses this sheet
These notes are not a standalone PDF. CapCompass plans Physics chapter by chapter against your real exam dates and free hours, and when the plan reaches Wave Optics the sheet opens inside the study block itself — at the page covering the sub-topic that block is on, with the timer still running. Revision arrives at the moment the plan says revise, instead of having to be gone looking for.
More Physics Class 12 revision notes
- Alternating Current
- Atoms
- Current Electricity
- Dual Nature of Radiation and Matter
- Electric Charges and Fields
- Electromagnetic Induction
- Electromagnetic Waves
- Electrostatic Potential and Capacitance
- Magnetism and Matter
- Moving Charges and Magnetism
- Nuclei
- Ray Optics and Optical Instruments
- Semiconductor Electronics