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← HistoryWhich outcome occurs when differential thermal expansion acts upon Mughal pietra dura?
A)Tensile cracking of surrounding marble✓
B)Increased structural integrity overall
C)Improved optical refraction properties
D)Diminished vibrational resonance frequency
💡 Explanation
Tensile cracking occurs upon the marble due to differential thermal expansion because expansion rates vary significantly between marble and inlaid stones. This induces stress exceeding marble's tensile strength; therefore, fracturing occurs rather than structural improvement involving resonant frequency shifts.
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