## Learning Outcomes / Ngā Whāinga Ako

1. Demonstrate the appropriate use of significant figures
2. Use $v=f \lambda$ and $f = \frac{1}{T}$ to calculate the wavelength, time period, frequency and velocity of a wave
3. Explain the Doppler effect
4. Calculate the value of the Doppler frequency shift
5. Explain the modes of resonance of a string in terms of the fundamental vibration and the harmonics
6. Calculate the harmonic frequencies of a string
7. Explain the modes of resonance in open and closed pipes in terms of the fundamental vibration and the harmonics
8. Calculate the harmonic frequencies in open and closed pipes
9. Explain the nature of beats as a special case of interference
10. Calculate the beat frequency
11. Explain the interference of two wave patterns in terms of nodes, anti-nodes and path difference
12. Use $\lambda = \frac{dx}{L}$ to solve problems with a diffraction grating
13. Use $n\lambda = dsin(\theta)$ to analyse the spectrum angles produced by a diffraction grating

## Mahi Kāinga

1. Term 3, Week 1 (Fri July 25th): Wave Fundamentals Question 1 & 2
2. Term 3, Week 2 (Mon July 27th): Doppler Question 9
3. Term 3, Week 3 (Mon July 3rd): Doppler Question 8
4. Term 3, Week 6 (Mon August 24th):
5. Term 3, Week 7 (Mon August 31st):
6. Term 3, Week 8 (Mon Sept 7th):
7. Term 3, Week 9 (Mon Sept 14th): Interference Q18, Q19

## Unit Plan / Mahere Kōwae

Akoranga 1 (Mon)Akoranga 2 (Tues)Akoranga 3 (Wed)Akoranga 4 (Thurs)
T2 W121. Intro to Waves2. Hand back Test3. Intro Continued4. Intro Continued
T3 W15. Doppler Effect6. Doppler Effect7. Doppler Effect8. Doppler Effect
T3 W29. Beats10. Beats Whakamātau11. Beats12. Standing Waves
T3 W3Exam RevisionExam RevisionExam RevisionExam Revision
T3 W4School ExamsSchool ExamsSchool ExamsSchool Exams
T3 W5School ExamsSchool ExamsReturn Exam13. Standing Waves & Music
T3 W614. Standing Waves & Music15. Attitude Presentations16. Standing Waves & Music17. Standing Waves & Music
T3 W718. Interference Pattern (2 Point)19. Interference Pattern (2 Point)20. Interference Pattern (2 Point)21. Multi-Point Interference
T3 W822. Multi-Point Interference23. Multi-Point Interference24. Diffraction GratingsRevision/Catch-Up
T3 W9Revision/Catch-UpRevisionRevisionTEST

### Lesson Plans / Ngā Mahere Akoranga

3. #### Intro Continued 1

• Notes with tauria calculations on using $T = \frac{1}{f}$ and $v=f\lambda$.
• Textbook Activity 5A Q1-5
• Waves Revision Questions #1 Q2
• Physics Worksheet 3.3 Waves Q1-5
4. #### Intro Continued 2

• Hand out test marking schedule & assign as mahi kāinga over the holidays
• Any material not finished in 3.
5. #### Intro to the Doppler Effect

• Notes describing the doppler effect & its cause
• Notes explaining the equations that may be used
6. #### Intro Doppler Equation

• Mahi Tuatahi in notes
• Introduce $f'=f\frac{v_{w}}{v_{w} \pm v_{s}}$
• Tauria and videos in notes
• Textbook exercise
7. #### Doppler Continued 1

• Textbook exercises & video tauria
8. #### Doppler Continued 2

• Mahi Kāinga booklet question
9. #### Beats

• Introduce $f_{b} = | f’ - f |$
• Notes & tauria questions
• Assign mahi kāinga
• Textbook if time
10. #### Beats Whakamātau

• Mahi Tuatahi in ngā kirita
• Hand out textbook chapter while they’re working
• Write list of missing mahi kāinga up while they’re working
• Whakamātau: confirming $f_{b} = | f’ - f |$
• Worksheet “whakamātau”, Q1 and Q3
• Fast finishers: mahi kāinga booklet Q10
11. #### Beats HBQ

• Question 10

13. #### Diffraction Whakamātau

• “Diffraction of Laser Light” Lab document
• Recap of diffraction gratings notes
14. #### Diffraction Gratings

• Mahi Kāinga booklet Q20. Work quietly from the start of the class and then go through the question in detail talking about x/y diffraction.