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AQA A-Level Physics Correct Questions

and Answers 2023

Rest Mass of Proton in eV and MeV - correct answers938 x 10^-6 eV and 938MeV Rest Mass of Electron in eV and MeV - correct answers0.51 x 10^-6 and 0.51MeV Definition of Isotope - correct answersSame Proton Number and Different Nucleon Number Mass of Proton/Neutron and Electron - correct answers1.67x10^-27 and 9.11x10^- Specific Charge Equation - correct answersCharge of Proton x Amount of Protons/Mass of Amount of Nucleons - Charge/Mass Definition of Strong Nuclear Force - correct answersAttractive Force - Holds Protons and Neutrons Together in Nucleus What Range Does The Strong Nuclear Force Effect - correct answers0.5 up to 3- Femtometres (fm) Effect of Strong Nuclear Force Less Than 0.5fm - correct answersRepulsive to Prevent Protons and Neutrons Being Pushed Into Each Other What Force Has a Limited Range (Distance) - correct answersStrong Nuclear Force Nucleon and Proton Number of Alpha Radiation - correct answers4 Nucleons, 2 Proton Number Nucleon and Proton Number of Beta Radiation - correct answers0 Nucleons, -1 Proton Number Definition of Electromagnetic Wave - correct answersA Burst of a Packet of Photons Equation for Photon Energy - correct answersE = hf Equation for Power of a Beam - correct answersPower of Beam = nhf What is Annihilation? - correct answersTwo Particles Collide to Form 2 Photons What is Pair Production? - correct answersPhoton Creates a Particle and Anti-Particle Annihilation Equation for Minimum Energy of Photon - correct answershf_min = Eo

Pair Production Equation for Minimum Energy of Photon - correct answershf_min = 2Eo Feynman Diagram for Neutron-Neutrino Interaction - correct answers Feynman Diagram for Proton-Antineutrino Interaction - correct answers Feynman Diagram for B- Decay - correct answers Feynman Diagram for B+ Decay - correct answers Feynman Diagram for Electron Capture - correct answers What Force Do Hadrons Interact With? - correct answersStrong Interaction What Force Do Leptons Interact With? - correct answersWeak Interaction State The Charge of Up, Down and Strange Quarks - correct answers2/3, -1/3, -1/ State The Charge of Anti Up, Down and Strange Quarks - correct answers-2/3, 1/3, 1/ Quark Composition of Proton - correct answersuud Quark Composition of Neutron - correct answersudd Quark Composition of K+ and K- - correct answersu_s, s_u Quark Composition of Pie+ and Pie- - correct answersu_d, d_u Conservation Laws - What is Conserved? - correct answersConserved: Charge, Momentum, Baryon Number, Energy and Lepton Number Conservation Laws for Strangeness? - correct answersOnly Conserved in Strong Interactions Definition of Threshold Frequency - correct answersMinimum Frequency of Light That Can Cause The Photoelectric Effect to Take Place What is The Correlation Between Number of Electrons Emitted and Intensity of Radiation - correct answersThese Are Proportional Equation for Energy of a Photon (2 Equations) - correct answersE = hf or hc/ ,
Definition of Work Function - correct answersThe Minimum Energy Need by an Electron to Leave a Metal Surface

Equation for Maximum Kinetic Energy of an Electron - correct answersEk_max = hf - o (work function) Equation for Threshold Frequency - correct answersF = o/h Definition for Excitation - correct answersAtom Absorbs Energy Because of an Electron Moving From an Inner to an Outer Shell Definition for Ionisation - correct answersWhere an Atom Takes in or Release Electrons to Form Positive/Negative Ions Equation for Energy of An Emitted Photon - correct answersE = hf = E1 - E Process of Fluorescense (Fluorescent Tube) - correct answers- Ionisation and Excitation of Mercury Atoms Occur as They Collide With Electrons Which Have Been Accelerated

• The Mercury Atoms Emit UV Photons and Photons of Much Less Energy
• The UV Photons are Absorbed by Atoms in the Fluorescent Coating Causing Excitation of the Atoms
• These Atoms De-Excite in Steps and Emit Visible Light Photons Definition of Wave-Particule Duality With Example - correct answersMatter Particles Have Wave-Like Natures and Particle-Like Natures, E.g Photons Equation for De-Broglies Wavelength (2 Equations) - correct answers,\ = h/p or h/mv