Physics · Thermal Properties of Matter
If the linear expansion coefficient of a material is 2 × 10-5 °C-1, what does it mean?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1When the temperature increases by 1 °C, the material always increases in total mass by 2 × 10-5 times.
- 2Per degree Celsius, the material expands in volume by 2 × 10-5 times its original volume.
- 3Per degree Celsius, the material expands in length by 2 × 10-5 times its original length.✓
- 4Per degree Celsius, the material expands in area by 2 × 10-5 times its original area.
Correct answer
Per degree Celsius, the material expands in length by 2 × 10-5 times its original length.
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