An infinitely long pin fin, attached to an isothermal hot surface, transfers heat at a steady rate of 𝑸̇_𝟏 to the ambient air. If the thermal conductivity of the fin material is doubled, while keeping everything else constant, the rate of steadystate heat transfer from the fin becomes 𝑸̇_𝟐. The ratio 𝑸̇_𝟐/𝑸̇_𝟏 is