When you look at a clear blue sky you see tiny specks and hair like structures floating in your view, called "floaters" This is basically.

Options

A. Interference pattern
B. Diffraction pattern
C. Emission spectra
D. Absorbtion spectra

Answer

To solve the question regarding the appearance of "floaters" in a clear blue sky, we can break down the reasoning step by step.

### Step-by-Step Solution:

1. **Understanding Floaters**: Floaters are tiny specks and hair-like structures that can be seen in our field of vision, especially against a bright background like a clear blue sky. They are often caused by small imperfections or particles in the vitreous humor of the eye.

2. **Identifying the Cause**: The question presents four options:
- (1) Interference pattern
- (2) Diffraction pattern
- (3) Emission spectra
- (4) Absorption spectra

3. **Analyzing Each Option**:
- **Interference Pattern**: This occurs when two or more light waves overlap and combine, creating a pattern of bright and dark spots. This is not the primary cause of floaters.
- **Diffraction Pattern**: This occurs when light waves encounter an obstacle or slit, causing the waves to bend and spread out. This bending can create patterns that may resemble the floaters seen in the sky.
- **Emission Spectra**: This refers to the spectrum of light emitted by atoms or molecules when they transition between energy levels. This is not related to the visual phenomenon of floaters.
- **Absorption Spectra**: This involves the absorption of specific wavelengths of light by substances, which is also not related to the appearance of floaters.

4. **Conclusion**: Since floaters are primarily caused by the diffraction of light as it interacts with small particles or imperfections, the correct answer is option (2) Diffraction pattern.

### Final Answer:
The floaters seen in a clear blue sky are basically due to the **diffraction pattern** (Option 2).

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