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Help please! (edge physics b - waves and diffraction)
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Help please! (edge physics b - waves and diffraction)

Help please! (edge physics b - waves and diffraction)-example-1
User Talisin
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1 Answer

8 votes
8 votes

#1

Use trigonometry to find defraction angle

  • B=25
  • H=50

So

  • cosA=B/H
  • cosA=25/50
  • cosA=1/2
  • A=cos^{-1}(1/2)
  • A=π/3 or 60°

#2

  • In radians it's π/3
  • In degrees it's 60°
User Douglas Su
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2.8k points
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