when a thin rod of length L is heated from t 1 Degree Celsius to t 2 degree Celsius length increases by 1% if plate of length 2l and breadth l made of same material is heated form t degree Celsius to t degree Celsius percentage increased in area is
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percentage increase in area:△AA×100=2×[△LL×100] =2×1 =2%
shaun7:
will you please send the steps to solve the problem
why
this is a step
very easy solution
i do
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