Question

The high domes of ancient buildings have structural value (besides beauty). It arises from pressure difference on the two faces due to curvature (as in soap bubbles). There is a dome of radius $5m$ and uniform (but small ) thickness. The 'surface tension' of its masonary structure is about $500N/m$. Treated as hemispherical, the maximum load the dome can support is nearest to

• A. $1500kg$ $wt$
• B. $3000kg$ $wt$
• C. $6000kg$ $wt$
• D. $12000kg$ $wt$

Answer 1

The correct option is B $3000kg$ $wt$