Radiation Safety Practice Exam

What key property makes depleted uranium (DU) valuable for military uses?

1. Its low cost

2. Its high energy content

3. Its extreme density

4. Its resistance to corrosion

The correct answer is: Its extreme density

Depleted uranium (DU) is particularly valuable for military applications primarily due to its extreme density. This high density makes DU effective for various military uses, including armor-piercing projectiles and tank armor, where penetration capability is crucial. The weight and mass of DU allow it to punch through armored targets more effectively than less dense materials, giving it a distinct advantage in combat scenarios. In addition to its penetrative capabilities, the extreme density contributes to the effectiveness of ammunition by allowing for smaller, lighter projectiles that maintain high momentum. This property enhances the destructive power and effectiveness of munitions fired from tanks or artillery. While factors like cost, energy content, and corrosion resistance may hold importance in other contexts or materials, the primary characteristic that sets depleted uranium apart regarding its military utility is its extreme density, making it a preferred material for advanced weapon systems.