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  1. Revision notes
  2. A Level
  3. Physics
  4. AQA
  5. Diagnostic Misconceptions - Electron Volts

Diagnostic Misconceptions - Electron Volts

Physics: AQA A Level, topic 2.2.8

Test yourself on Diagnostic Misconceptions - Electron Volts

  • The electron-volt (eV) is a unit that is used to measure which quantity?

Practise this topic for free
Previous topic2.2.7 End of Topic Test - Absorption & EmissionNext topic2.2.9 Diagnostic Misconceptions - Converting eV & Joules

Physics: AQA A Level contents

  1. 1 Measurements & Errors

    • 1.1 Measurements & Errors

      • 1.1.1 SI Base Units
      • 1.1.2 Combining SI Units
      • 1.1.3 Prefixes of Units
      • 1.1.4 Standard Form
      • 1.1.5 Converting Units
      • 1.1.6 End of Topic Test - Units & Prefixes
      • 1.1.7 Limitation of Physical Measurements
      • 1.1.8 Uncertainty
      • 1.1.9 Estimation
      • 1.1.10 End of Topic Test - Measurements & Errors
      • 1.1.11 Diagnostic Misconceptions - Converting between SI
      • 1.1.12 Diagnostic Misconceptions - SI & Area/Volume
  2. 2 Particles & Radiation

    • 2.1 Particles

      • 2.1.1 Atomic Model
      • 2.1.2 Specific Charge, Protons & Neutron Numbers
      • 2.1.3 End of Topic Test - Atomic Model
      • 2.1.4 Isotopes
      • 2.1.5 Stable & Unstable Nuclei
      • 2.1.6 End of Topic Test - Isotopes & Nuclei
      • 2.1.7 A-A* (AO3/4) - Stable & Unstable Nuclei
      • 2.1.8 Particles, Antiparticles & Photons
      • 2.1.9 Particle Interactions
      • 2.1.10 Classification of Particles
      • 2.1.11 End of Topic Test - Particles & Interactions
      • 2.1.12 Quarks & Antiquarks
      • 2.1.13 Application of Conservation Laws
      • 2.1.14 End of Topic Test - Leptons & Quarks
      • 2.1.15 Exam-Style Question - Radioactive Decay
    • 2.2 Electromagnetic Radiation & Quantum Phenomena

      • 2.2.1 The Photoelectric Effect
      • 2.2.2 The Photoelectric Effect Explanation
      • 2.2.3 End of Topic Test - The Photoelectric Effect
      • 2.2.4 Collisions of Electrons with Atoms
      • 2.2.5 Energy Levels & Photon Emission
      • 2.2.6 Wave-Particle Duality
      • 2.2.7 End of Topic Test - Absorption & Emission
      • 2.2.8 Diagnostic Misconceptions - Electron Volts
      • 2.2.9 Diagnostic Misconceptions - Converting eV & Joules
  3. 3 Waves

    • 3.1 Progressive & Stationary Waves

      • 3.1.1 Progressive Waves
      • 3.1.2 Wave Speed & Phase Difference
      • 3.1.3 Longitudinal & Transverse Waves
      • 3.1.4 End of Topic Test - Progressive Waves
      • 3.1.5 Polarisation
      • 3.1.6 Stationary Waves
      • 3.1.7 Stationary Waves 2
      • 3.1.8 End of Topic Test - Polarisation & Stationary Wave
      • 3.1.9 A-A* (AO3/4) - Stationary Waves
    • 3.2 Refraction, Diffraction & Interference

      • 3.2.1 Interference
      • 3.2.2 Interference 2
      • 3.2.3 End of Topic Test - Interference
      • 3.2.4 Diffraction
      • 3.2.5 Diffraction Gratings
      • 3.2.6 End of Topic Test - Diffraction
      • 3.2.7 Refraction at a Plane Surface
      • 3.2.8 Internal Reflection & Fibre Optics
      • 3.2.9 End of Topic Test - Refraction
      • 3.2.10 Exam-Style Question - Waves
  4. 4 Mechanics & Materials

    • 4.1 Force, Energy & Momentum

      • 4.1.1 Scalars & Vectors
      • 4.1.2 Vector Problems
      • 4.1.3 End of Topic Test - Scalars & Vectors
      • 4.1.4 Moments
      • 4.1.5 Centre of Mass
      • 4.1.6 End of Topic Test - Moments & Centre of Mass
      • 4.1.7 Motion in a Straight Line
      • 4.1.8 Graphs of Motion
      • 4.1.9 Bouncing Ball Example
      • 4.1.10 End of Topic Test - Motion in a Straight Line
      • 4.1.11 Acceleration Due to Gravity
      • 4.1.12 Projectile Motion
      • 4.1.13 Friction
      • 4.1.14 Terminal Speed
      • 4.1.15 End of Topic Test - Acceleration Due to Gravity
      • 4.1.16 Newton's Laws
      • 4.1.17 Momentum
      • 4.1.18 Momentum 2
      • 4.1.19 End of Topic Test - Newton's Laws & Momentum
      • 4.1.20 A-A* (AO3/4) - Newton's Third Law
      • 4.1.21 Work & Energy
      • 4.1.22 Power & Efficiency
      • 4.1.23 Conservation of Energy
      • 4.1.24 End of Topic Test - Work, Energy & Power
      • 4.1.25 Exam-Style Question - Forces
      • 4.1.26 Diagnostic Misconceptions - Perpendicular Vectors
      • 4.1.27 Diagnostic Misconceptions - Weight Acts Downwards
      • 4.1.28 Diagnostic Misconceptions - Acceleration Direction
      • 4.1.29 Diagnostic Misconceptions - Stationary Objects
      • 4.1.30 Diagnostic Misconceptions - Action & Reaction
      • 4.1.31 Diagnostic Misconceptions - RF Direction
      • 4.1.32 Diagnostic Misconceptions - RF Acceleration
      • 4.1.33 Diagnostic Misconceptions - Change in Momentum
    • 4.2 Materials

      • 4.2.1 Density
      • 4.2.2 Bulk Properties of Solids
      • 4.2.3 Energy in Materials
      • 4.2.4 Young Modulus
      • 4.2.5 End of Topic Test - Materials
  5. 5 Electricity

    • 5.1 Current Electricity

      • 5.1.1 Basics of Electricity
      • 5.1.2 Current-Voltage Characteristics
      • 5.1.3 End of Topic Test - Basics of Electricity
      • 5.1.4 Resistivity
      • 5.1.5 Superconductivity
      • 5.1.6 A-A* (AO3/4) - Superconductivity
      • 5.1.7 End of Topic Test - Resistivity & Superconductors
      • 5.1.8 Circuits
      • 5.1.9 Power and Conservation
      • 5.1.10 Potential Divider
      • 5.1.11 Emf & Internal Resistance
      • 5.1.12 End of Topic Test - Power & Potential
      • 5.1.13 Exam-Style Question - Resistance
      • 5.1.14 Diagnostic Misconceptions - Constant Current
      • 5.1.15 Diagnostic Misconceptions - Potential Difference
  6. 6 Further Mechanics & Thermal Physics (A2 only)

    • 6.1 Periodic Motion (A2 only)

      • 6.1.1 Circular Motion
      • 6.1.2 Circular Motion 2
      • 6.1.3 End of Topic Test - Circular Motion
      • 6.1.4 Simple Harmonic Motion
      • 6.1.5 Simple Harmonic Systems
      • 6.1.6 Energy in Simple Harmonic Motion
      • 6.1.7 Resonance
      • 6.1.8 End of Topic Test - Simple Harmonic Motion
      • 6.1.9 A-A* (AO3/4) - Simple Harmonic Motion
    • 6.2 Thermal Physics (A2 only)

      • 6.2.1 Thermal Energy Transfer
      • 6.2.2 Thermal Energy Transfer Experiments
      • 6.2.3 Ideal Gases
      • 6.2.4 Ideal Gases 2
      • 6.2.5 Boyle's Law & Charles' Law
      • 6.2.6 Molecular Kinetic Theory Model
      • 6.2.7 Molecular Kinetic Theory Model 2
      • 6.2.8 End of Topic Test - Thermal Energy & Ideal Gases
      • 6.2.9 Exam-Style Question - Ideal Gases
      • 6.2.10 Diagnostic Misconceptions - Material & Mass
      • 6.2.11 Diagnostic Misconceptions - No Energy
  7. 7 Fields & Their Consequences (A2 only)

    • 7.1 Fields (A2 only)

      • 7.1.1 Fields
    • 7.2 Gravitational Fields (A2 only)

      • 7.2.1 Newton's Law
      • 7.2.2 Gravitational Field Strength
      • 7.2.3 Gravitational Potential
      • 7.2.4 Orbits of Planets & Satellites
      • 7.2.5 Escape Velocity & Synchronous Orbits
      • 7.2.6 End of Topic Test - Gravitational Fields
    • 7.3 Electric Fields (A2 only)

      • 7.3.1 Coulomb's Law
      • 7.3.2 Electric Field Strength
      • 7.3.3 Electric Field Strength 2
      • 7.3.4 Electric Potential
      • 7.3.5 End of Topic Test - Electric Fields
      • 7.3.6 A-A* (AO3/4) - Electric and Gravitational Field
    • 7.4 Capacitance (A2 only)

      • 7.4.1 Capacitance
      • 7.4.2 Parallel Plate Capacitor
      • 7.4.3 Energy Stored by a Capacitor
      • 7.4.4 Capacitor Discharge
      • 7.4.5 Capacitor Charge
    • 7.5 Magnetic Fields (A2 only)

      • 7.5.1 Magnetic Flux Density
      • 7.5.2 End of Topic Test - Capacitance & Flux Density
      • 7.5.3 Moving Charges in a Magnetic Field
      • 7.5.4 Magnetic Flux & Flux Linkage
      • 7.5.5 Electromagnetic Induction
      • 7.5.6 Electromagnetic Induction 2
      • 7.5.7 Alternating Currents
      • 7.5.8 Operation of a Transformer
      • 7.5.9 Magnetic Flux Density
      • 7.5.10 End of Topic Test - Electromagnetic Induction
  8. 8 Nuclear Physics (A2 only)

    • 8.1 Radioactivity (A2 only)

      • 8.1.1 Rutherford Scattering
      • 8.1.2 Alpha & Beta Radiation
      • 8.1.3 Gamma Radiation
      • 8.1.4 Radioactive Decay
      • 8.1.5 Half Life
      • 8.1.6 End of Topic Test - Radioactivity
      • 8.1.7 Nuclear Instability
      • 8.1.8 Nuclear Radius
      • 8.1.9 Mass & Energy
      • 8.1.10 Binding Energy
      • 8.1.11 Induced Fission
      • 8.1.12 Safety Aspects of Nuclear Reactors
      • 8.1.13 End of Topic Test - Nuclear Physics
      • 8.1.14 A-A* (AO3/4) - Nuclear Fusion
  9. 9 Option: Astrophysics (A2 only)

    • 9.1 Telescopes (A2 only)

      • 9.1.1 Astronomical Telescopes
      • 9.1.2 Reflecting Telescopes
      • 9.1.3 Single Dish Radio Telescopes
      • 9.1.4 Large Diameter Telescopes
    • 9.2 Classification of Stars (A2 only)

      • 9.2.1 Classification by Luminosity
      • 9.2.2 Absolute Magnitude
      • 9.2.3 Black Body Radiation
      • 9.2.4 Stellar Spectral Classes
      • 9.2.5 Hertzsprung-Russell Diagrams
      • 9.2.6 Astronomical Objects
    • 9.3 Cosmology (A2 only)

      • 9.3.1 Doppler Effect
      • 9.3.2 Hubble's Law
      • 9.3.3 Quasars
      • 9.3.4 Detecting Exoplanets
  10. 10 Option: Medical Physics (A2 only)

    • 10.1 Physics of the Eye (A2 only)

      • 10.1.1 Physics of Vision
      • 10.1.2 Defects of Vision
      • 10.1.3 Lenses
      • 10.1.4 Correcting Defects of Vision
    • 10.2 Physics of the Ear (A2 only)

      • 10.2.1 Structure of the Ear
      • 10.2.2 Sensitivity of the Ear
      • 10.2.3 Hearing Defects
    • 10.3 Biological Measurement (A2 only)

      • 10.3.1 Electrocardiography (ECG)
    • 10.4 Non-Ionising Imaging (A2 only)

      • 10.4.1 Ultrasound Imaging
      • 10.4.2 Ultrasound Imaging 2
      • 10.4.3 Fibre Optics & Endoscopy
      • 10.4.4 Magnetic Resonance Scanning
    • 10.5 X-Ray Imaging (A2 only)

      • 10.5.1 Diagnostic X-Rays
      • 10.5.2 X-Ray Image Processing
      • 10.5.3 Absorption of X-Rays
      • 10.5.4 CT Scanners
    • 10.6 Radionuclide Imaging & Therapy (A2 only)

      • 10.6.1 Imaging Techniques
      • 10.6.2 Half Life
      • 10.6.3 Gamma Camera
      • 10.6.4 High Energy X-Rays
      • 10.6.5 Radioactive Implants
      • 10.6.6 Imaging Comparisons
  11. 11 Option: Engineering Physics (A2 only)

    • 11.1 Rotational Dynamics (A2 only)

      • 11.1.1 Moment of Inertia
      • 11.1.2 Rotational Kinetic Energy
      • 11.1.3 Rotational Motion
      • 11.1.4 Torque & Angular Acceleration
      • 11.1.5 Angular Momentum
      • 11.1.6 Angular Work & Power
    • 11.2 Thermodynamics & Engines (A2 only)

      • 11.2.1 First Law of Thermodynamics
      • 11.2.2 Non-Flow Processes
      • 11.2.3 p-V Diagrams
      • 11.2.4 Engine Cycles
      • 11.2.5 Second Law & Engines
      • 11.2.6 Reversed Heat Engines
  12. 12 Option: Turning Points in Physics (A2 only)

    • 12.1 Discovery of the Electron (A2 only)

      • 12.1.1 Cathode Rays
      • 12.1.2 Thermionic Electron Emission
      • 12.1.3 Electron Specific Charge
      • 12.1.4 Millikan's Experiment
    • 12.2 Wave-Particle Duality (A2 only)

      • 12.2.1 Newton's & Huygen's Theories of Light
      • 12.2.2 Electromagnetic Waves
      • 12.2.3 Photoelectricity
      • 12.2.4 Wave-Particle Duality
      • 12.2.5 Electron Microscopes
    • 12.3 Special Relativity (A2 only)

      • 12.3.1 Michelson-Morley Experiment
      • 12.3.2 Einstein's Theory of Special Relativity
      • 12.3.3 Time Dilation
      • 12.3.4 Length Contraction
      • 12.3.5 Mass & Energy

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