Thermal Properties of Matter - Thermal Expansion Question with Solution | TestHub
Thermal Properties of MatterThermal ExpansionThermal StressMedium3 minCT49
Thermal Properties of MatterMediumsingle choice
The table gives the initial length , change in temperature and change in length of four rods. Which rod has the greatest coefficient of linear expansion?
Rod | Initial length (m) | Temperature change (°C) | Length change (mm) |
|---|---|---|---|
A1 | 1 | 100 | 1 |
A2 | 1 | 100 | 2 |
A3 | 1.5 | 50 | 3 |
A4 | 2.5 | 20 | 4 |
Options:
Answer:
D
Solution:
Use .
Comparing the four values, rod A4 has the greatest coefficient.
Stream:JEESubject:Thermal Properties of MatterTopic:Thermal ExpansionSubtopic:Thermal Stress
⏱ 3mℹ️ Source: CT49
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