physics definitions

• Amplitude


  Displacement from the rest position
• Rest position


  Equilibrium position with no disturbances in the medium
• Wavelength


  Distance between successive points in phase
• Period


  Time taken for one wavelength to pass a point
• Frequency


  Number of oscillations per second
• Superposition


  • Adding 2 or more waves together in the same place
• Constructive interference


  Result is larger than the individual parts
• Destructive interference


  Result is smaller than the individual parts
• Radiation


  Type of emission that travels at the speed of light
• Transverse waves


  • Disturbance is perpendicular to the direction of propagation