Measurement

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Across
  1. 2. Unit of mass
  2. 7. Emission from unstable atoms
  3. 8. An important prefix multiplier
  4. 10. Characteristic manner of wave interaction
  5. 12. Reproducibility in measurements
  6. 15. Independent of amount
  7. 16. Up! Up! Up!
  8. 17. Transition from low to high (energy states)
  9. 18. System gains energy
  10. 19. The reason for sub-level energy differention
  11. 20. An expression of the uncertainty
  12. 21. No, no! We can't have the same number!
Down
  1. 1. Determines light's brightness
  2. 3. Determined by extent of systematic errors
  3. 4. Component of cathode rays
  4. 5. Type of energy
  5. 6. Famous statement of complementarity
  6. 9. SI unit
  7. 10. Differ in nuclear component
  8. 11. Have no uncertainty
  9. 13. Determinant of orbital shapes
  10. 14. A unit of energy