A thin wire of length l when heated to a certain temperature increases its length by 1%. A sheet of the same material of area 2l \times l is heated to the same temperature then percentage increase in area will be :-

NEET 2021 Model Test Paper 4

Question : 29 of 180

Marks: +1, -0

A thin wire of length l when heated to a certain temperature increases its length by 1%. A sheet of the same material of area 2l×l is heated to the same temperature then percentage increase in area will be :-

4 %
2.5 %
2 %
1.5 %

Validate

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