1_Superposition

1_Superposition

1. Stationary waves

   • Principle of superposition
     • It states that if two or more waves meet at a point, then the resultant displacement at that point is the sum of the individual displacements

2. Diffraction

   • Definition
     • it is the spreading of waves at edges or round obstacles
   • Single slit expt
   • dsinθ= λ

3. Interference

   • Interference
   • Coherence
   • Young's double slit expt

4. Diffraction gratings

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