Structure of Atom

The graph between $\left|\psi\,\right|^{2}$ and $r$ (radical distance) is shown below. This represents:

For emission line of atomic hydrogen from $n_{i}=8$ to $n_{f}=n,$ the plot of wave number $\left(\overset{-}{v}\right)$ against $\left(\frac{1}{n^{2}}\right)$ will be: (The Rydberg constant, $R_{H}$ is in wave number…

Which of the following is the correct plot for the probability density $\psi\,^{2}\left(r\right)$as a function of distance $'r'$ of the electron form the nucleus for $2s$ orbital?

According to the wave-particle duality of matter by de-Broglie, which of the following graph plot presents most appropriate relationship between wavelength of electron $\left(\lambda\,\right)$and momentum of electron…

The spin only magnetic moments (in BM) for free $\mathrm{Ti}^{3+},V^{2+}$ and $\mathrm{Sc}^{3+}$ ions respectively are (At.No. $\mathrm{Sc}$ : $21,\mathrm{Ti}:22,V:23$)

The minimum uncertainty in the speed of an electron inone dimensional region of length$2a_{o}$ (Where $a_{o}=$ Bohr radius $52.9\mathrm{pm}$) is____$\mathrm{kms}^{-1}$(Nearest integer)(Given : Mass of electron…

For any given series of spectral lines of atomic hydrogen, let $\Delta\,\overset{-}{v}=\overset{-}{v}_{max}-\overset{-}{v}_{min}$be the difference in maximum and minimumwave numberin $cm^{-1}$. The ratio…

The difference between the radii of $3^{\mathrm{rd}}$ and $4^{\text{th}}$ orbits of $L_{i}^{2+}$ is $\mathrm{\DeltaR}_{1}$. The difference between the radii of $3^{\mathrm{rd}}$ and $4^{\text{th}}$ orbits of…

Consider the following set of quantum numbers. $n$ $l$ $m_{1}$ A $3$ $3$ $-3$ B $3$ $2$ $-2$ C $2$ $1$ $+1$ D $2$ $2$ $+2$ The number of correct sets of quantum numbers is

A proton and a $\mathrm{Li}^{3+}$ nucleus are accelerated by the same potential. If $\lambda\,_{\mathrm{Li}}$ and $\lambda\,_{p}$ denote the de Broglie wavelengths of $\mathrm{Li}^{3+}$ and proton respectively, then the…

Electromagnetic radiation of wavelength $663\mathrm{nm}$ is just sufficient to ionise the atom of metal$A$. The ionization energy of metal $A$ in $\mathrm{kJ}\mathrm{mol}^{-1}$ is___. (Rounded-off to the nearest…

Which of the following is the energy of a possible excited state of hydrogen?