Which of the following is correct?

Maximum number of total nodes is present in:

Orbitals having two spherical nodes are

The correct Schrodinger's wave equation for a electron with total energy E and potential energy V is given by

The wave mechanical model of the atom depends upon

${\mathrm{\psi }}^2\left(\mathrm{r}, \mathrm{\theta }, \mathrm{\varphi }\right)$ represents: (for Schrodinger wave mechanical model)

Radial amplitude of electron wave can be represented by

The Schrodinger wave equation for hydrogen atom is ${\mathrm{\psi }}_{2\mathrm{s}}=\frac{1}{4\sqrt{2\mathrm{\pi }}}{\left(\frac{1}{{\mathrm{a}}_0}\right)}^{3/2} \left(2-\frac{\mathrm{r}}{{\mathrm{a}}_0}\right) {\mathrm{e}}^{-\mathrm{r}/{\mathrm{a}}_0}$ where ${\mathrm{a}}_0$ is Bohr's radius. If the radial node in 2s be at ${\mathrm{r}}_0$, then ${\mathrm{r}}_0$ would be equal to:

The Schrodinger wave equation for hydrogen atom is $\mathrm{\psi }\left(\mathrm{radial}\right)=\frac{1}{16\sqrt{4}}{\left(\frac{\mathrm{Z}}{{\mathrm{a}}_0}\right)}^{3/2} \left[\left(\mathrm{\sigma }-1\right) \left({\mathrm{\sigma }}^2-8\mathrm{\sigma }+12\right)\right]{\mathrm{e}}^{-\mathrm{\sigma }/2}$ where ${\mathrm{a}}_0$ and Z are the constant in which answer can be expressed and $\mathrm{\sigma }=\frac{2\mathrm{Zr}}{{\mathrm{a}}_0}$ minimum and maximum position of radial nodes from nucleus are ........ respectively.

Isodiaphers among the following options is :

The incorrect statement regarding the characteristics of X-rays is :

The correct expression derived for the energy of an electron in the n^th energy level is for H-atom

For any H like system, the ratio of velocities of I, II & III orbit i.e., ${\mathrm{V}}_1 : {\mathrm{V}}_2 : {\mathrm{V}}_3$ will be

An ion among the following that has the same radius as a hydrogen atom, having n=1, is 

Select the incorrect graph for velocity of ${\mathrm{e}}^{-}$ in an orbit $\mathrm{vs}. \mathrm{Z}, \frac{1}{\mathrm{n}} \mathrm{and} \mathrm{n}$:

Number of waves produced by an electron in one complete revolution in n^th orbit is:

The energy of an electron moving in n^th Bohr's orbit of an element is given by ${\mathrm{E}}_{\mathrm{n}}=\frac{-13.6}{{\mathrm{n}}^2}{\mathrm{Z}}^2$ eV/atom (Z=atomic number). The graph of $\mathrm{E} \mathrm{vs}. {\mathrm{Z}}^2$ (keeping "n" constant) will be:

The spectrum produced from an element is:

Which of the following expressions represents the spectrum of Balmer series (If n is the principal quantum number of higher energy level) in Hydrogen atom?

The H-spectrum show:

In the photoelectric effect, the kinetic energy of photoelectrons increases linearly with the

Slope of ${\mathrm{V}}_0$ vs v curve is (where ${\mathrm{V}}_0$=stopping potential, v=subjected frequency)

According to Einstein's photoelectric equation, the graph between kinetic energy of

photoelectrons ejected and the frequency of the incident radiation is:

The photoelectric emission from a surface starts only when the light incident upon the surface has a certain minimum:

If ${\mathrm{\lambda }}_0$ and $\mathrm{\lambda }$ be the threshold wavelength and the wavelength of incident light, the velocity of photo-electrons ejected from the metal surface is:

The ratio of slopes of ${\mathrm{K}}_{\max } \mathrm{vs}. \mathrm{v} \mathrm{and} {\mathrm{V}}_0 \mathrm{vs}. \mathrm{v}$ curves in photoelectric effect gives -

(v=frequency, ${\mathrm{K}}_{\max }$=maximum kinetic energy, ${\mathrm{V}}_0$ stopping potential):

 The largest de Broglie wavelength among the following (all have equal velocity) is 

 $\sqrt{\mathrm{V}}$on two particles A and B are plotted against de-Broglie wavelengths. Where V is the potential on the particles. Which of the following relation is correct about the mass of particles?

The graphs that represents the variation of momentum of particle with de-Broglie wavelength is 

The excited state of an H atom emits a photon of wavelength $\mathrm{\lambda }$ and returns to the ground state. The principal quantum number of the excited state is given by: