Atomic Structure · Chemistry · MHT CET (Biology)
MCQ (Single Correct Answer)
1
Calculate the energy associated with second orbit of $\mathrm{He}^{+}$.
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2
Calculate the energy of photon in electromagnetic radiation having wavelength $400 \mathrm{~nm}\left(\mathrm{~h}=6.626 \times 10^{-34} \mathrm{Js} ; \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)$.
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3
What is the radius of first orbit of monopositive helium ion?
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4
What is the frequency of red light having wave length 750 nm ?
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5
What are the possible values of magnetic quantum number for $p$ orbital?
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