Year 11 – Waves and Thermodynamics

New material to the syllabus highlighted in blue
Material modified from the old syllabus in yellow
Wave properties
  • Conduct a practical investigation involving the creation of mechanical waves in a variety of situations in order to explain:
    • the role of the medium in the propagation of mechanical waves
    • the transfer of energy involved in the propagation of mechanical waves (ACSPH067, ACSPH070)
  • conduct practical investigations to explain and analyse the differences between:
    • transverse and longitudinal waves (ACSPH068)
    • mechanical and electromagnetic waves (ACSPH070, ACSPH074)
  • construct and/or interpret graphs of displacement as a function of time and as a function of position of transverse and longitudinal waves, and relate the features of those graphs to the following wave characteristics:
    • velocity
    • frequency
    • period
    • wavelength
    • displacement and amplitude (ACSPH069)
  • solve problems and/or make predictions by modelling and applying the following relationships to a variety of situations:
    • v = f\lambda
    • f = \frac{1}{r}

Resource – Wave Properties – 4 pages

Wave Behaviour
  • explain the behaviour of waves in a variety of situations by investigating the phenomena of:
    • reflection
    • refraction
    • diffraction
    • wave suspension (ACSPH071, ACSPH072)

Resource – Wave Behaviour – 2 pages

  • conduct an investigation to distinguish between progressive and standing waves (ACSPH072)

Resource – Wave Superposition – 3 pages

  • conduct an investigation to explore resonance in mechanical systems and the relationships between:
    • driving frequency
    • natural frequency of the oscillating system
    • amplitude of motion
    • transfer/transformation of energy within the system (ACSPH073)

Investigation-Wave Behaviour-5 pages

Sound Waves
  • construct a practical investigation to relate the pitch and loudness of a sound to its wave characteristics
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  • model the behaviour of sound in air as a longitudinal wave
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  • relate the displacement of air molecules to variations in pressure (ACSPH070)
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  • investigate quantitatively the relationship between distance and intensity of sound
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  • conduct investigations to analyse the reflection, diffraction, resonance and superposition of sound waves (ACSPH071)

Investigation-Interference of Sound Waves-4 pages

  • investigate and model the behaviour of standing waves on strings and/or in pipes to relate quantitatively the fundamental and harmonic frequencies of the waves that are produced to the physical characteristics (eg length, mass, tension, wave velocity) of the medium (ACSPH072)
  • analyse qualitatively and quantitatively the relationships of the wave nature of sound to explain:
    • beats f_{beat} = \lvert f_{2}-f_{1}\rvert
    • the Doppler effect f^{'} = f\frac{v_{wave}+v_{observer}}{v_{wave}-v_{source}}

Resource-Doppler and Beats-3 pages

Ray Model of light
  • conduct a practical investigation to analyse the formation of images in mirrors and lenses via reflection and refraction using the ray model of light (ACSPH075)
  • conduct investigations to examine qualitatively and quantitatively the refraction and total internal reflection of light (ACSPH075, ACSPH076)

  • predict quantitatively, using Snell’s Law, the refraction and total internal reflection of light in a variety of situations
  • conduct a practical investigation to demonstrate and explain the phenomenon of the dispersion of light
  • conduct an investigation to demonstrate the relationship between inverse square law, the intensity of light and the transfer of energy (ACSPH077)
  • solve problems or make quantitative predictions in a variety of situations by applying the following relationships to:
    • n_{x} = \frac{c}{v_{x}} – for the refractive index of medium x, v_{x} is the speed of light in the medium
    • n_{1}sin(\theta) = n_{2}sin(\theta) (Snell’s Law)
    • sin(\theta_{c}) = \frac{n_{2}}{n_{1}} – for the critical angle i_{c} of medium x
    • I_{1}r^{2}_{1} = I_{2}r^{2}_{2} – to compare the intensity of light at two points, r_{1} and r_{2}

Resource – Ray Model of Light – 4 pages

Thermodynamics
  • explain the relationship between the temperature of an object and the kinetic energy of the particles within it (ACSPH018)

Resource – Temperature – 1 page

  • explain the concept of thermal equilibrium (ACSPH022)

Resource – Thermal Equilibrium – 1 page

  • analyse the relationship between the change in temperature of an object and its specific heat capacity through the equation \Delta Q = mc\Delta T

Resource – Specific Heat – 2 pages

  • investigate energy transfer by the process of:
    • conduction
    • convection
    • radiation (ACSPH016)

Investigation – Thermal Conductivity – 3 pages

  • conduct an investigation to analyse qualitatively and quantitatively the latent heat involved in a change of state

Investigation – Latent Heat – 3 pages

Resource – Latent Heat – 2 pages

  • model and predict quantitatively energy transfer from hot objects by the process of thermal conductivity

Resource-Energy Transfer-3 pages

  • apply the following relationships to solve problems and make quantitative predictions in a variety or situations:
    • Q = mc\Delta T, where c is the specific heat capacity of a substance
    • \frac{Q}{t} = \frac{kA\Delta T}{d},
      where k is the thermal conductivity of a material
PDF – All ‘Waves and Thermodynamics’ Documents
PDF – All Year 11 Modules