Embibe Experts Solutions for Chapter: Atomic Structure, Exercise 1: AP EAPCET 2020 (24-Sep Shift-1)

Rutherford's experiments on scattering of $\alpha$-particles proved that:

According to Bohr's theory of the hydrogen atom, the radii $r_n$ of stationary electron orbits are related to the principal quantum number $n$ as

A hydrogen atom is in an excited state of principal quantum number $\left(n\right).$ It emits a photon of wavelength $\lambda$ when it returns to the ground state, the value of $\text{'}n\text{'}$ is ________

In hydrogen spectrum, $L_{\alpha }$ line arises due to transition of electron from the orbit $n=3$ to the orbit $n=2$. In the spectrum of singly ionized helium, there is a line having the same wavelength as that of the $L_{\alpha }$ line of hydrogen. This is due to the transition of the electron from the orbit ______ to ________

Hydrogen atom in its ground state is excited by a monochromatic light of energy $13.06\mathrm{eV}$. The longest wavelength among the spectral lines is (Ionization energy of hydrogen atom is $13.6\mathrm{eV}$)

The wavelength of radiation emitted when an electron jumps from $5^{\text{th }}$ excited state to $3^{\mathrm{rd}}$ excited state of a hydrogen atom is ________. Given. Planck's constant $=6.625\times {10}^{-34} \mathrm{J} \mathrm{s}$