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Physics
A bimetallic strip of brass and iron is heated. Then it bends such that iron is one the inside. This shows that
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Q. A bimetallic strip of brass and iron is heated. Then it bends such that iron is one the inside. This shows that
KCET
KCET 1994
Thermal Properties of Matter
A
brass expands more than iron
53%
B
brass expands less than iron
16%
C
brass is heated more strongly than iron
19%
D
iron has been heated more strongly than brass
11%
Solution:
Because iron is towards inside when the metallic strip is heated.