A transparent sheet of thickness 0.018 mm is pasted on one of the slits of a Youngs slit experiment. If the set - up uses monochromatic light of wavelength `6800 Å`, how many fringes will shift due to pasting of the sheet? Take `mu` sheet = 1.6.

Explanation

To find the number of fringes that will shift due to the pasting of a transparent sheet in a Young's slit experiment, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Given Values:**
- Thickness of the transparent sheet, \( t = 0.018 \, \text{mm} = 0.018 \times 10^{-3} \, \text{m} \)
- Wavelength of light, \( \lambda = 6800 \, \text{Å} = 6800 \times 10^{-10} \, \text{m} \)
- Refractive index of the sheet, \( \mu = 1.6 \)
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