QQuestion
The coefficient of linear expansion of aluminium is 24×10-6 ºC-1. What would be its value in the SI unit?
OR
From which law is the value of the volume expansion coefficient of gas obtained?
Exam-ready answer • 01 Mark
✓Answer
Coefficient of linear expansion of aluminium = 24 × 10⁻⁶ °C⁻¹.
Since 1 °C change = 1 K change, its SI unit value is 24 × 10⁻⁶ K⁻¹.
OR
The value of the volume expansion coefficient of a gas is obtained from Charles’ law.
Related Questions
More WBBSE Moderate level questions
Write down the correlation between absolute temperature and density of gas.
The value of the ratio of the volume coefficient to the pressure coefficient of an ideal gas is (a) 1/2 (b) 0 (c) 1/273 (d) 1
Mention a phenomenon by which it can be said that the gas molecules are in constant motion. Mention two incorrect postulates of the Kinetic Theory of gas. [1+2]
Draw I-V graph according to ohm's law in the case of a metallic conductor.
At a certain pressure the volume of a fixed mass of a gas at a temperature of 0°C is Yo; what will be the increase in volume of the gas, according to Charles' law, if the temperature of the gas is raised by 1°C keeping the pressure unchanged?
What is the value of PV for 4 g of H2 gas at STP? (H = 1) RT 2 RT 4 RT 0.5 RT
What is the nature of P vs 1/V graph?
A real gas behaves as an ideal gas at (a) High pressure and high temperature (b) High pressure and low temperature (c) Low pressure and high temperature (d) Low pressure and low temperature
What is the number of molecules present in 16 g of O₂ at S.T.P.?
The mass of 11.2 L of NH₃ gas at S.T.P. is: [N = 14, H = 1] (a) 17 g (b) 8.5 g (c) 34 g (d) 11.2 g
What is an ideal gas? What is the effect of the increase in temperature on the pressure of a gas kept in a closed container? Answer with reason. [1 + 2]
Establish the combined form of Boyle's law and Charles' law.
Small steps build strong concepts.