Questions
A metal sheet having size of 0.6 × 0.5 m2 is heated from 293 K to 520°C. The final area of the hot sheet is {a of metal = 2 × 10-5 /°C]
detailed solution
Correct option is A
A2=A1(1+βΔt)Talk to our academic expert!
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A thin copper wire of length L increases in length by 1% when heated from 0°C to 100°C . If a thin copper plate of area 2L2 is heated from 0oC to 50°C , the percentage increase in its area will be
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