Which one of the relation is correct between time period and number of orbits while an electron is revolving in a orbit
${n^2}$
$\frac{1}{{{n^2}}}$
${n^3}$
$\frac{1}{n}$
(c)$T \propto {n^3}$
What does it mean if the $\alpha -$ particle passes through the foil of gold ?
Explain the Rutherford atomic model and its limitation.
An electron makes a transition from orbit $n = 4$ to the orbit $n = 2$ of tha hydrogen atom. The wave number of the emitted radiations ($R =$ Rydberg's constant) will be
Energy levels $A, B$ and $C$ of a certain atom correspond to increasing values of energy, i.e. $E_A < E_B < E_C$ . If $\lambda _1, \lambda _2$ and $\lambda _3$ are the wavelengths of radiations corresponding to transitions $C$ to $B, B$ to $A$ and $C$ to $A$ respectively , which of the following relations is correct ?
Difference between nth and $(n +1)^{th}$ Bohr’s radius of $‘H’$ atom is equal to it’s $(n-1)^{th}$ Bohr’s radius. the value of $n$ is:
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