Find the critical angle for a ray of light going from paraffin oil to air. Given that the refractive index of paraffin oil with respect to air is 1.44.

Explanation

To find the critical angle for a ray of light going from paraffin oil to air, we will use Snell's Law, which relates the angles of incidence and refraction to the refractive indices of the two media.

### Step-by-Step Solution:

1. **Identify the Refractive Indices**:
- The refractive index of paraffin oil with respect to air (μ1) is given as 1.44.
- The refractive index of air (μ2) is approximately 1.00.

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