A bimetallic strip is made of aluminum and steel ( ). On h…

Physics Thermometry, Thermal Expansion and Calorimetry NCERT Examplar MCQ (Single Correct)

A bimetallic strip is made of aluminum and steel ( ). On heating, the strip will:

Remain straight

Get twisted

Will bend with aluminum on concave side

Will bend with steel on concave side

Text Solution

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The correct answer is:

As , aluminum will expand more. So, it should have larger radius of curvature. Hence, aluminum will be on convex side.

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