Physics

Physics

1. Sound

   • Label transverse waves
   • Affronted wavefronts
     • Gap>Wavefront
       • Square with curved edges
     • Gap<Wavefront
       • Circular
   • Echolocation
     • Distance to object will be half

2. Light

   • Pinhole camera
     • Upside Down
       • Caused by the rays crossing over
   • Mirror Images
     • Distance away is same
   • Refraction
     • Light travelling from..
       • More optically dense to less = Bent towards normal
       • Less optically dense to more = Bent away normal
   • Prisms
     • Red has longest wavelength and refracts least
     • Violet has shortest wavelength and refracts most
   • Total Internal reflection
     • Angle of incidents = Angle of reflection
     • Condition 1:Angle of incidence>Critical angle
     • Condition 2: Moves from optically dose medium to less
   • Depth Perception
     • Water is denser than air so bends light

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