The densities of two gases are in the ratio of 1 : 16. The ratio of their rates of diffusion is ...

The rate of diffusion of two gases X and Y is in the ration of 1:5 and that of Y and Z in the ratio of 1:6 . The ratio of the rate of diffusion of Z with respecte to X is :

The densities of two monoatomic gases are in the ratio of 16:9. The velocities of sound in gases having the same pressure will be in the ratio of

The vapour densities of two gases are in the ratio of 1 : 3 . Their molecular masses are in the ratio of : -

If the densities of methane and oxygen are in the ratio 1 : 2 , the ration of rate diffusion of O_(2) and CH_(4) is respectively

The densities of two planets are in the ratio of 2 : 3 and their radii are in the ratio of 1 : 2. What is the ratio of acceleration due to gravity at their surfaces ?

The surface area of two sphere are in the ratio 1:16 . Their raddi are in the ratio