Thermal Properties of Matter - Thermal Expansion Question with Solution | TestHub
Thermal Properties of MatterThermal ExpansionThermal StressMedium3 minCT49
Thermal Properties of MatterMediumsingle choice
Two rods one of aluminium of length having coefficient of linear expansion , and other steel of length having coefficient of linear expansion are joined end to end. The expansion in both the rods is same on variation of temperature. Then the value of is
Options:
Answer:
A
Solution:
Equal expansions require αa l1=αs l2.
Thus l1/(l1+l2)=αs/(αa+αs).
Stream:JEESubject:Thermal Properties of MatterTopic:Thermal ExpansionSubtopic:Thermal Stress
⏱ 3mℹ️ Source: CT49
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