A bimetallic strip is made of aluminium and steel (α Al > α steel ). On heating, the…
Physics · Class 11 · CBSE — Thermal Properties of Matter
A bimetallic strip is made of aluminium and steel (αAl > αsteel). On heating, the strip will
- remain straight
- get twisted
- will bend with aluminium on concave side
- will bend with steel on concave side.
Answer
(C) will bend with aluminium on concave side
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