Question

The net angle deviation produced by the glass slab is

Answer 1

The angle of deviation produced by a glass slab is 0° because the incident ray and emergent ray are parallel to each other.

Answer 2

Answer:

$\boxed {\boxed{\boxed{\boxed{0 \degree}}}}$

Explanation:

The net angle deviation produced by the glass slab is 0° because the incident ray and emergent ray are parallel to each other.