Physics DP2 SL

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Across
  1. 4. waves with same frequency and constant phase difference
  2. 7. transition of a substance directly from solid to gas state
  3. 9. this type of cell can be recharged by applying an external voltage, reversing the chemical reaction
  4. 10. product of an object's mass and velocity
  5. 12. transfer of energy via intermolecular collisions in solids
Down
  1. 1. boson responsible for the strong nuclear force
  2. 2. defined as the potential difference V across its ends divided by the current I passing through it
  3. 3. acceleration when velocity is zero
  4. 5. splitting of a large nucleus into smaller ones
  5. 6. defined as the energy required when a force of one newton acts through a distance of one meter
  6. 8. other name for both protons and neutrons
  7. 11. measure of the ratio between the power emitted by a grey body to the power emitted by a black body