Yield strength of a polycrystalline metal with an average grain size, d, is proportional to

Review the verified answer and explanation for this DemoPaper-Pakistan past-paper question on CampusFin.

Yield strength of a polycrystalline metal with an average grain size, d, is proportional to Answer: D⁻¹ᐟ²

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.