These are flashcards for the Edexcel IAL Physics course (Unit 2), which contains waves and electricity. This covers topics 3 and 4 in the textbook.
| Front | What are the SI units? |
| Back | KilogramsSecondsMetresAmperesKelvinsMolesCandelas |
| Front | What does increasing the length of a stretched string do? |
| Back | It increases the pitch |
| Front | What is the formula for the energy of a photon? |
| Back | \(E=hf=\frac{hc}{\lambda}\)\(\textrm{Energy of a photon} = \textrm{Planck's constant} \times \textrm{Frequency}\) |