Which phenomena establish the wave nature of light ?
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To establish the wave nature of light, we can consider several key phenomena. Here’s a step-by-step explanation of the phenomena that demonstrate this wave nature:
### Step 1: Interference
- **Explanation**: Interference occurs when two or more light waves overlap and combine to form a new wave pattern. This can result in regions of increased intensity (constructive interference) and regions of decreased intensity (destructive interference). The classic example of this is the double-slit experiment, where light passing through two closely spaced slits creates an interference pattern on a screen.
### Step 2: Diffraction
- **Explanation**: Diffraction is the bending of light waves around obstacles and the spreading of waves when they pass through narrow openings. This phenomenon can be observed when light passes through a small slit and creates a pattern of light and dark bands on a screen, further supporting the wave theory of light.
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