AS PHYSICS

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Across
  1. 4. The combination of waves when they meet, forming a resultant wave.
  2. 8. An SI prefix meaning one million (10⁶).
  3. 10. A unit formed by combining base units using multiplication or division.
  4. 12. Making a reasonable approximate value without exact measurement.
  5. 14. The force applied per unit cross-sectional area of a material.
  6. 16. An SI prefix meaning one millionth (10⁻⁶).
Down
  1. 1. The spreading of waves when they pass through a gap or around an obstacle.
  2. 2. A quantity that has both magnitude and direction.
  3. 3. A fundamental unit that is not derived from any other units.
  4. 5. Restricting the vibrations of a transverse wave to one plane.
  5. 6. The range within which the true value of a measurement is likely to lie.
  6. 7. A travelling disturbance that transfers energy without transferring matter.
  7. 9. The number of complete waves passing a point each second.
  8. 11. An SI prefix meaning one thousand (10³).
  9. 13. A quantity that has magnitude only and no direction.
  10. 15. The extension of a material divided by its original length.