1.

A barometer reads 75.0 cm on a steel scale. The room temperature is 30∘C. The scale is correctly graduated for 0∘C. The coefficient of linear expansion of steel is α = 1.2 × 10−5/∘C and the coefficient of volume expansion of mercury is γ = 1.8 × 10−4/∘C. Find the correct atmospheric pressure.

Answer»

A barometer reads 75.0 cm on a steel scale. The room temperature is 30C. The scale is correctly graduated for 0C. The coefficient of linear expansion of steel is α = 1.2 × 105/C and the coefficient of volume expansion of mercury is γ = 1.8 × 104/C. Find the correct atmospheric pressure.




Discussion

No Comment Found