Atomic Structure · Chemistry · KCET
MCQ (Single Correct Answer)
The number of orbitals associated with ' N ' shell of an atom is
According to the Heisenberg's Uncertainty principle, the value of $\Delta \mathrm{b} . \Delta \mathrm{x}$ for an object whose mass is $10^{-6} \mathrm{~kg}$ is $\left(\mathrm{h}=6.626 \times 10^{-34} \mathrm{Js}\right)$
The energy associated with first orbit of $\mathrm{He}^{+}$ is
The number of protons, neutrons and electrons in the ion $${ }_{16}^{32} \mathrm{~S}^{2-}$$ respectively are
If wavelength of photon is $$2.2 \times 10^{-11} \mathrm{~m}$$ and $$h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}$$, then momentum of photon
The number of angular and radial nodes in $$3 p$$ orbital respectively are
With regard to photoelectric effect, identify the correct statement among the following.
Two particle $$A$$ and $$B$$ are in motion. If the wavelength associated with '$$A$$' is $$33.33 \mathrm{~nm}$$, the wavelength associated with '$$B$$' whose momentum is $$\frac{1}{3} \mathrm{rd}$$ of '$$A$$' is