Physics · Thermal Properties of Matter
Two equal rods of different materials A and B are joined end-to-end to form a single combined rod of total length 120 cm at 30°C. Find the final total length of the combined rod when the temperature is raised to 100°C. (Given: αA = 1.2 × 10-5 /°C, αB = 24 × 10-6 /°C).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1119.15 cm
- 2120.15 cm✓
- 3122.15 cm
- 4121.15 cm
Correct answer
120.15 cm
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