the railway tracks which are made up of metal_ on heating
(a) contracts
(b) expand
(c) both a and b
(d) break
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contracts
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When we heat water, it starts boiling, i.e., it starts expanding. ... 0°C is the same temperature as (a) 0°F (b) 212°F (c) 32°F (d) 100°F ... A bimetallic strip is made of metals M1 and M2.
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