Everything Science Grade 12
CHAPTER 11. 2D AND3D WAVEFRONTS 11.5 If you employ Huygens’principle you can see the effect is that the wavefronts are no longer ...
11.5 CHAPTER 11. 2D AND3D WAVEFRONTS �A B� � � � � � � � � � �� �� �� �� �� �� �� The picture above shows how the waves add toge ...
CHAPTER 11. 2D AND3D WAVEFRONTS 11.5 λ y n a θ The equation for the angle at which the minimaoccur is given in the definition be ...
11.5 CHAPTER 11. 2D AND3D WAVEFRONTS Step 2 : Applicable principles We know that there is arelationship between theslit width, w ...
CHAPTER 11. 2D AND3D WAVEFRONTS 11.5 length and interferenceminimum angles: sin θ = mλ a We can use this relationship to find th ...
11.6 CHAPTER 11. 2D AND3D WAVEFRONTS Step 2 : Applicable principles We know that there is arelationship between theslit width, w ...
CHAPTER 11. 2D AND3D WAVEFRONTS 11.6 Aircraft speed at altitude (km· h−^1 ) speed at altitude (m· s−^1 ) Concorde 2 330 647 Grip ...
11.6 CHAPTER 11. 2D AND3D WAVEFRONTS Supersonic Flight ESCFH DEFINITION: Supersonic Supersonic refers to speeds faster than the ...
CHAPTER 11. 2D AND3D WAVEFRONTS 11.6 supersonic shock wave If the source moves faster than the speed of sound, a cone of wave fr ...
11.6 CHAPTER 11. 2D AND3D WAVEFRONTS We know that there is arelationship between theMach Number, the speed of sound andthe speed ...
CHAPTER 11. 2D AND3D WAVEFRONTS 11.6 Mach Cone ESCFI The shape of the MachCone depends on the speed of the aircraft. When the Ma ...
11.6 CHAPTER 11. 2D AND3D WAVEFRONTS vaircraft× t vsound× t θ The angle between the cone that forms and the direction of the pla ...
CHAPTER 11. 2D AND3D WAVEFRONTS 11.6 For the Concorde this means that sin θ = 340 647 θ = sin−^1 340 647 θ = 31. 7 o Aircraft sp ...
11.6 CHAPTER 11. 2D AND3D WAVEFRONTS Chapter 11 End of Chapter Exercises In the diagram belowthe peaks of wavefronts are shown ...
CHAPTER 11. 2D AND3D WAVEFRONTS 11.6 (a) 12.22 degrees (b) 18.51 degrees (c) 30.53 degrees If the first minimumis at 8.21 degre ...
Wave Nature of Matter 12 12.1 Introduction ESCFJ In chapters 15 and 16the so-called wave-particle duality of light is described. ...
CHAPTER 12. WAVE NATURE OF MATTER 12.2 DEFINITION: De Broglie Hypothesis A particle of mass m moving with velocity v has a wavel ...
12.2 CHAPTER 12. WAVE NATURE OF MATTER λ = h mv = 6 , 63 × 10 −^34 J· s (0,150 kg)(40 m· s−^1 ) = 1, 11 × 10 −^34 m This wavelen ...
CHAPTER 12. WAVE NATURE OF MATTER 12.2 Although the electron and cricket ball in the two previous exam- ples are travelling at t ...
12.3 CHAPTER 12. WAVE NATURE OF MATTER Since the de Broglie wavelength of a particle isinversely proportional to its velocity, t ...
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