Brass expands ........... than iron

Less

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Both

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None

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Solution

The correct option is B More
Take a bimetallic strip having equal strips of brass and iron, riveted together firmly and held in a wooden hand, such that the strip is flat.
Heat the one end of strip. It is observed that on heating the strip bends with brass on the outer side of bent curve. This shows that brass expands more than iron.

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Similar questions

On heating a bimetallic strip made from brass and iron, the brass strip expands more. $(α_{b r a s s} > α_{i r o n})$

Fill in the blanks :

(a) Boiling occurs at ___

(b) Evaporation takes place at ___

(d) Heat is ___ during boiling.

(e) Cooling is produced in ___

(f) A longer rod expands ___ than a shorter rod on being heated to the same temperature.

(g) Liquids expand ___ than the solids.

(h) Gases expand ___ than the liquids.

(i) Alcohol expands ___ than water.

(j) Iron expands ___ than copper.

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