Light passes through a rectangular glass slab and through a triangular glass prism. In what way does the direction of the two emergent beams differ and why?

Explanation

To answer the question regarding how the direction of the emergent beams differs when light passes through a rectangular glass slab and a triangular glass prism, we can break down the explanation into clear steps:

### Step-by-Step Solution:

1. **Understanding the Setup**:
- We have two optical elements: a rectangular glass slab and a triangular glass prism.
- Light rays will be incident on both these elements, and we need to observe the emergent rays.

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