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IB WAVES SPECIAL. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15. £100 The largest displacement of a wave is called the. Frequency. Angular frequency. A:. B:. Phase. Amplitude. C:. D:. Excellent!. Unlucky!. That’s incorrect. £200 Perpendicular to the wavefront is the…. Ray. phase. A:. B:.

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  1. IB WAVES SPECIAL 123456789101112131415

  2. £100 The largest displacement of a wave is called the Frequency Angular frequency A: B: Phase Amplitude C: D:

  3. Excellent!

  4. Unlucky! That’s incorrect

  5. £200 Perpendicular to the wavefront is the… Ray phase A: B: Angle of incidence Refractive index C: D:

  6. Excellent!

  7. Sorry That’s incorrect…

  8. £300 The shortest distance between parts of a wave that are moving in phase… Amplitude Period A: B: Wavelength Tuesday C: D:

  9. Fantastic

  10. Oh dear! That’s incorrect…

  11. £500 Angular frequency (ω) = 2πf 2π/f A: B: f/2π 2πf2 C: D:

  12. Brilliant

  13. Sorry That’s incorrect…

  14. £1,000 When are oscillations are parallel to the direction of energy transfer? Stationary waves Transverse waves A: B: Simple harmonic motion Longitudinal waves C: D:

  15. Well done!

  16. Unlucky! You should know this!

  17. ` £2,000 Wavelength of about 1 x 10-10 m? Gamma rays X - rays A: B: Visible light Ultra-violet C: D:

  18. Super!

  19. Oh no! That’s incorrect!…

  20. £4,000 You get constructive interference when the path difference of 2 waves is… (n + ½)λ ½λ A: B: fλ nλ C: D:

  21. Very good!

  22. Incorrect So near and yet so far!

  23. ` £8,000 The acceleration of a SHM oscillator is a maximum when … x = o x = ω A: B: x = -ω2xo x = xo C: D:

  24. Very good!

  25. Sorry! That’s incorrect… I suck!

  26. £16,000 When was Einstein born? 1779 1979 A: B: 1679 1879 C: D:

  27. Very good!

  28. Unlucky That’s incorrect…

  29. £32,000 For an object in SHM the velocity is a maximum when… Digestion x = ω x = 0 A: B: x = fλ Digestion x = xo C: D:

  30. Brilliant!

  31. Unfortunately… That’s incorrect! I suck.

  32. £64,000 A system makes several oscillations before coming to rest….. Critical damped Overdamped A: B: Underdamped Natural frequency C: D:

  33. Well done!

  34. I’m sorry That’s incorrect…

  35. £125,000 If a force is applied at a different frequency to the natural frequency we get Forced vibrations Natural oscillations A: B: Resonant oscillations g/cm3 C: D:

  36. Very good!

  37. Incorrect You should have got that one!

  38. £250,000 ? = ½mω2xo2 Potential energy Kinetic energy A: B: intensity Total energy C: D:

  39. Excellent!

  40. Wrong Choice! That’s incorrect… I suck.

  41. £500,000 Unit of wave intensity? J.m-2 W.m-3 A: B: W.m-2 Decibel C: D:

  42. Very Good!

  43. Sorry! That’s incorrect… I suck.

  44. £ 1,000,000 Destructive interference occurs when the phase difference of two waves is 2π π/2 A: B: π π/4 C: D:

  45. Fantastic!

  46. Unlucky You were nearly a millionaire! I wished I was as clever and handsome as Mr Brockman.

  47. Mr Brockman thanks you for playing! Go home and learn your definitions!

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