physics keywords AS
Across
- 3. rate of flow of charge
- 6. ...interference when two waves out of phase overlap and total displacement decreases
- 9. ...wave doesn't transfer energy
- 10. waves spread out after passing through a gap
- 13. quantity with only magnitude, no direction
- 14. waves bounce off a surface
- 19. work done per second
- 24. only momentum conserved KE transferred
- 25. number of complete oscillations per second
- 27. upthrust equal to weight of fluid it displaces
- 28. single force to replace all forces
- 31. wave changes speed after a change in density, causing it to bend
- 33. how much one wave lags behind the other
- 34. packet of light energy
- 36. splits emf from a power source
- 37. cause of material being deformed
- 38. force x distance moved in direction of force
- 40. ...wave oscillates parallel to the direction of propagation
- 41. fraction of original length material extends
- 42. minimum energy needed for an electron to leave the surface of a metal
- 43. ...wave oscillates perpendicular to the direction of propagation
Down
- 1. distance between two consecutive points
- 2. total moment of a couple
- 4. quantity with magnitude and direction
- 5. for a system in eq, clockwise moments equal anticlockwise
- 7. returns to original length when released
- 8. extension of an elastic object is dp to the force applied
- 11. minimum frequency for an electron to be released
- 12. energy transferred from electrical into other forms per unit charge
- 15. doesn't return to original length when released
- 16. two equal and anti parallel forces that cause rotation
- 17. when two waves superpose and there is a change in overall displacement
- 18. momentum and KE are conserved
- 20. dist travelled between seeing hazard and applying brakes
- 21. ...interference where two waves overlap and total displacement increases
- 22. td plus bd
- 23. max distance from its undisturbed point
- 26. how difficult a material is to deform
- 29. how stiff a spring is
- 30. dist travelled between applying brakes and stopping
- 32. force energy transferred from other forms into electrical per unit charge
- 35. distance from its undisturbed position
- 36. ...wave transfers energy
- 39. time of one complete oscillation