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# Year 12 Physics

## Module 7 | The nature of light

### Content 2: Light: wave model

#### Lesson 1 | Newton and Huygens

• analyse the experimental evidence that supported the models of light that were proposed by Newton and Huygens (ACSPH050, ACSPH118, ACSPH123)

#### Lesson 2 | Young interference

• conduct investigations to analyse quantitatively the interference of light using double slit apparatus and diffraction gratings ($d\sin \theta = m\lambda$) (ACSPH116, ACSPH117, ACSPH140)

#### Lesson 3 | Diffraction of light experiment

• conduct investigations to analyse qualitatively the diffraction of light (ACSPH048, ACSPH076)

#### Lesson 4 | Malus' law

• conduct investigations quantitatively using the relationship of Malus’ Law ($I = I_{max}\cos ^{2}\theta$) for plane polarisation of light, to evaluate the significance of polarisation in developing a model for light (ACSPH050, ACSPH076, ACSPH120)