The ratio of molecular mass of two radioactive substances is `3//2` and the ratio of their decay cosntatnt is `4//3`. Then. The ratio of their initial activity per mole will be

The ratio of molecular mass of two radioactive substances is 3/2 and the ratio of their decay constant is 4/3 . Then find the ratio of their initial activity per mole

If the mass ratio of O_2 and N_2 is 4:7 , then the ratio of their moles is

If the ratio of the masses of two planets is 8 : 3 and the ratio of their diameters is 2 : 3, then what will be the ratio of their acceleration due to gravity ?

If the ratio of the masses of two planets is 8 : 3 and the ratio of their diameters is 2 : 3, then what will be the ratio of their acceleration due to gravity ?

The ratio of the densities of two substances is 3:10 and of their specific heats is 7:3 . What will be the ratio of their thermal capacities per unit volume? Again, if the ratio of their volumes is 1:2 , then what will be the ratio of their thermal capacities?

The ratio of densities of two substances is 2 :3 and that of specific heats is 1 : 2 . The ratio of thermal capacities per unit volume is