The two paricles A and B have de Broglie wavelengths 1 nm and 5 nm respectively if mass of A is four times the mass of B, the ratio of kinetic energies of A and B would be :-

Two fast moving particles X and Y are associated with de Broglie wavelengths 1 nm and 4 nm respectively. If mass of X is nine times the mass of Y, then calculate ratio of kinetic energies of X and Y.

The velocities of two paricles A and B are 0.05 and 0.02m//s respectively. The mass of B is five times the mass of A. The ratio of their de-Brogile wavelength is

The velocities of two particles A and B are 0.05 and 0.02 m*s^(-1) respectively. The mass of B is five times the mass of A. the ratio of their de Broglie wavelength is-

Th velocities of two particle A and B are 0.05 and 0.02 ms6(-1) respectively. The mass of B is five times the mass of A.The ratio of their De-Broglie wavelength is

Two stars A and B radiate maximum energy at the wavelength of 360nm and 480 nm respectively. Then the ratio of the surface temperatures of A and B is