Topic testPhysics20 questions7 concepts

Optics topic test

Follow light as a wave through polarization, diffraction, double-slit interference, refraction, dispersion, and total internal reflection before image-forming systems split into their own branch.

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This first-pass topic test reuses the shared quiz engine, but it balances question selection across the included concepts so the topic is assessed as a broader branch instead of a single concept replay.

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Optics topic test

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Physics

Light as an Electromagnetic Wave

Connect electromagnetic waves to visible light, color, frequency, and the broader spectrum while one compact stage keeps the spectrum rail, field-pair sketch, and medium-linked wavelength changes tied together.

Open Light as an Electromagnetic Wave Open concept test

Physics

Polarization

Use one compact polarizer bench to see polarization as the orientation story of transverse waves, how angle mismatch sets transmitted light, and why one ideal polarizer makes unpolarized light emerge with one chosen axis.

Open Polarization Open concept test

Physics

Diffraction

Watch a wave spread after one narrow opening, see why diffraction grows when wavelength competes with slit width, and build the wave-optics bridge toward double-slit interference.

Open Diffraction Open concept test

Physics

Double-Slit Interference

Use two coherent slits and one screen to connect path difference, phase difference, and fringe spacing to wavelength, slit separation, and screen distance on one compact optics bench.

Open Double-Slit Interference Open concept test

Physics

Refraction / Snell's Law

Watch one light ray cross a boundary, connect refractive index to speed change, and see Snell's law set the refracted angle, bending direction, and critical-angle limit on the same live diagram.

Open Refraction / Snell's Law Open concept test

Physics

Dispersion / Refractive Index and Color

Use one compact thin-prism bench to see how refractive index can depend on wavelength, why different colors bend by different amounts, and how a bounded prism model separates colors without widening into a full spectroscopy subsystem.

Open Dispersion / Refractive Index and Color Open concept test

Physics

Total Internal Reflection

Push a ray from a higher-index medium toward a lower-index boundary, watch the critical angle emerge, and see the same live diagram hand off from ordinary refraction to full internal reflection.

Open Total Internal Reflection Open concept test