Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermal ExpansionMedium2 minQB

PhysicsMediumsingle choice

A strip obeys $\frac{1}{R} = K (α_{2} - α_{1}) Δ T$ with K fixed. Coefficient difference doubles and temperature rise halves. New radius is:

Answer:

Solution:

The product changes by $2 \times \frac{1}{2} = 1$ . Curvature and radius are unchanged. C.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion

⏱ 2mℹ️ Source: QB

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