Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermal ExpansionMedium2 minQB

PhysicsMediumsingle choice

A thin square metal plate of side $l$ grows in length by 1\% when heated from 0°C to 100°C. Area percentage increase is:

Answer:

Solution:

$A^{'} = (1.01 l)^{2} = 1.0201 l^{2}$ .

$\frac{100 ( A ^{'} - A )}{A} = 2.01%.$

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion

⏱ 2mℹ️ Source: QB

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