List of top Chemistry Questions on Dual nature of matter asked in KEAM

If the de Broglie wavelength associated with an electron is $0.1227$ nm, then its accelerating potential is

If the de Broglie wavelengths of proton p and alpha particle \(\alpha\) are same, then

The wavelength of a fast moving particle (\(\lambda\)) is related to its momentum (p) and Planck’s constant (h) as

If 2E is the kinetic energy of a moving particle of mass \(m\), then the wavelength of the de Broglie wave associated with it is

The de Broglie wavelength of the matter wave associated with an object dropped from a height \(x\), when it reaches the ground is proportional to

Two particles A and B of same mass have their total energies $E_A$ and $E_B$ in the ratio $E_A : E_B = 1 : 2$. Their potential energies $U_A$ and $U_B$ are in the ratio $U_A : U_B = 1 : 2$. If $\lambda_A$ and $\lambda_B$ are their de Broglie wavelengths, then $\lambda_A : \lambda_B$ is

The de Broglie wavelength $\lambda_n$ of the electron in the $n^{\text{th}}$ orbit of hydrogen atom is

Uncertainty principle is valid for

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, the ratio of kinetic energies of X and Y would be