say me this one.
I am in doubt with glass slab and prism
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Answer:
A parallel sided glass slab
Explanation:
The rays don't converge, so it is definitely not converging lens.
The rays are not reflected back, so it is clearly not a mirror.
The rays also don't change its direction from going up to downwards like how it would go in a triangular prism held upright, so it is not that one also.
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