GRE Physics
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GRE Physics Subject Test
Classical mechanics, Electromagnetism, Quantum mechanics, Thermodynamics
8 sectionsOpen study hub
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GRE PhysicsClassical mechanicsGRE PhysicsElectromagnetismGRE PhysicsQuantum mechanicsGRE PhysicsThermodynamicsGRE PhysicsOptics and wavesGRE PhysicsAtomic physicsGRE PhysicsSpecial relativityGRE PhysicsLab methodsGREQuantitative reasoningGREVerbal reasoningGREAnalytical writingGRE MathCalculusGRE MathLinear algebraGRE MathAbstract algebraGRE MathReal analysisGRE MathTopologyGRE MathDifferential equationsGRE PsychologyBiologicalGRE PsychologyCognitiveGRE PsychologySocialGRE PsychologyDevelopmentalGRE PsychologyClinicalGRE PsychologyMeasurementGMATQuantitative reasoningGMATVerbal reasoningGMATData insightsTMUAPaper 1TMUAPaper 2ESATMaths 1ESATMaths 2ESATPhysicsESATChemistryESATBiologyTARACritical ThinkingTARAProblem SolvingTARAWriting TaskLNATSection ALNATSection B essayUCATVerbal ReasoningUCATDecision MakingUCATQuantitative ReasoningUCATSituational Judgement
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Confidence vs. accuracyWeeks 1–8
Week 882% sure79% right3-point gap
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How Keiko compares
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Where Keiko is different from the popular GRE and GMAT platforms. Every number is the provider's current standard price.
| Keiko | GregMat | Magoosh | Target Test Prep | |
|---|---|---|---|---|
| Price per month | €8.99≈ $9.70 | $11.99 | from $149 | from $179 |
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| GRE Physics, Math & Psychology subject tests | ||||
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A check means the provider offers that feature. Standard (non-promotional) prices from each provider's own site, 7 August 2026; Kaplan and Manhattan Prep don't publish base prices. The big platforms lead on question-bank size and video courses, which this table doesn't try to match — it highlights where Keiko is different, not a full feature-by-feature comparison.
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A real GRE Physics question, free and with no account needed. Lock in an answer, say how sure you are, and see the full worked solution.
Quantum mechanicsQuantum foundations
MediumIn the photoelectric effect, no electrons are emitted if the light's frequency is below the threshold frequency, no matter how intense the light. This shows that:
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Exam facts and concept notes link to their ETS and OpenStax sources on the page.