Mathematics · Thermal Expansion
An aluminium ring of mean diameter 5 m at ambient temperature is dipped into a liquid nitrogen bath. What will be the mean diameter of the ring in the liquid nitrogen bath? (Take the coefficient of linear expansion of the aluminium alloy as 20 × 10-6/K, ambient temperature as 24°C, and the boiling temperature of liquid nitrogen as 77 K).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.865 m
- 25.138 m
- 34.958 m
- 44.978 m✓
Correct answer
4.978 m
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