Observe the following statements.
Statement -I Rutherford model of an atom cannot explain the stability of an atom.
Statement-II The wavelength of X-rays is higher than the wavelength of microwaves.
The correct answer is
In hydrogen atom, an electron is transferred from an orbit of radius 1.3225 nm to another orbit of radius 0.2116 nm . What is the energy (in J ) of emitted radiation?
Identify the correct orders regarding atomic radii
(i) $\mathrm{Cl}>\mathrm{F}>\mathrm{Li}$
(ii) $\mathrm{P}>\mathrm{C}>\mathrm{N}$
(iii) $\mathrm{Tm}>\mathrm{Sm}>\mathrm{Eu}$
(iv) $\mathrm{Sr}>\mathrm{Ca}>\mathrm{Mg}$
$$ \text { Match the following } $$
$$ \begin{array}{cccc} \hline & \text { List-I (Elements) } & & \text { List-II (Group) } \\ \hline \text { A } & \mathrm{Mn}, \mathrm{Tc}, \mathrm{Re} & \text { I } & 12 \\ \hline \text { B } & \mathrm{Zn}, \mathrm{Cd}, \mathrm{Hg} & \text { II } & 4 \\ \hline \text { C } & \mathrm{Ti}, \mathrm{Zr}, \mathrm{Hf} & \text { III } & 17 \\ \hline \text { D } & \mathrm{Ga}, \mathrm{In}, \mathrm{Tl} & \text { IV } & 7 \\ \hline & & \text { V } & 13 \\ \hline \end{array} $$
The correct answer is
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