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Unit E. Nuclear and quantum physics Calculating total activity of counter & background counts

Unit E. Nuclear and quantum physics

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E.1 Structure of the atom

Which emission will emit light of longest wavelength?

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Total energy emission and step by step emission of light

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Rutherford scattering experiment postulates

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Calculate frequency of photon emitted in emission spectra

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Identify correct emission spectrum

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Quantized Angular momentum

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Which emission spectra will give out light of minimum wavelength

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Importance of modern physics theories

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Energy and Momentum of photon formula relevance with each other

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Rutherford experiment observation

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Calculate nucleon number from Rutherford exp equation (for HL)

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Identify correct Energy level diagram from emission spectrum

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Transition in energy levels

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Structure of atom properties (for HL)

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Wavelength & energy released in transition

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How many photones released in transition between energy levels

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Which emission spectrum represents transition between energy levels

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Diameter of helium nucleus according to Rutherford equation (for HL)

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Postulates of Rutherford scattering exp

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About Atomic mass unit

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Comparison of radii of Nuclei (Rutherford equation)

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Relation between energy and wavelength of photon

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E.2 Quantum physics (for HL)

Calculate stopping potential for certain metal

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Wave-particle duality

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Using Photoelectric equation to find how many time kinetic energy increases

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Gradient of Electric Potential - frequency

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Magnitude of Debroglie wavelength

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Effect of increased intensity on rate of emmission and kinetic energy

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Comparing wavelength & frequency by using photoelectric equation

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Determine emitted No.of photones will increase or decrease

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Momentum of photon and Intensity of light

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Behaviour of electron

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Photoelectric equation & Work-energy principle

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Wave nature of electron experiment

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Wavelength & Energy of incident photon (Photoelectric effect)

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Relation between energy and wavelength of photon (compton effect)

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E.3 Radioactive decay

Ratio of decayed to undecayed atoms

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Fusion of Hydrogen and Carbon

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Alpha and Beta negative decay

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Background counts and find reading of counter

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Charactertics of radioactive decay

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Decay constant & half life time

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Unified atomic mass unit

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Beta positive decay example

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Equivalence of mass and energy

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Interaction between Electron and Nucleus

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Beta positive decay example

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Find decay constant from activity time graph (for HL)

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Continous spectrum of beta decay (for HL)

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What happens when alpha particle hits breyllium

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Half life and Activity time graph (partially for SL)

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Binding energy per nucleon of fragments in fission reaction

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Fraction of decayed nuclie and undecayed nuclides

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Calculate mass defect

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Beta and Gamma decay between energy levels

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Activity time graph of a radioactive element

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Properties of radioactive particles and radiation

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Beta negative decay example

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Find B.E per nucleon of Helium isotope

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Beta negative decay

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Calculate Activity at given time of radioactive element (for HL)

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Decay equation of carbon

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Gamma decay example

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Detection of Gamma radiation

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Multiple radioactive particle emmission from element

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Find number of half lifes after certain given time

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Rate of radioactive decay (for HL)

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Calculate Binding energy of oxygen

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Comparing half lifes of two samples of radioactive elements

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Taking ratio of undecayed nuclides of two samples after some time

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Multiple emission of radioactive particles

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Binding energy per nucleon graph

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Finding fraction of No.of nuclides in terms of fration of time (for HL)

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Calculating total activity of counter & background counts

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No.of neutrones vs No.of protones graph (for HL)

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Use ln(activity) vs time graph to find decay constant (for HL)

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Activity & half-life (for HL)

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Calculate percentage of undecayed nuclides after certain time

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Ratio of activities of radioactive nuclides

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About Beta positive decay

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Calculate ratio of Binding energy per nucleon

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Equivalent energy from one photon

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E.4 Fission

Moderator & control rod

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Probability of fission reaction and kinetic energy of neutron

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Function of moderator

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Function of nuclear power reactor

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Role of moderator

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Role of control rods

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E.5 Fusion and stars

Fusion between carbon and hydrogen

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