For the given electronic transitions,which of the following statements is correct?
- A$E_{3-1} = E_{3-2} - E_{2-1}$
- B$\lambda_3 = \lambda_1 + \lambda_2$
- C$\nu_3 = \nu_2 + \nu_1$
- DAll of the above
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Match the items in Column-$A$ with the items in Column-$B$.
Column-$A$ Column-$B$ $(1)$ Dalton $(A)$ Photoelectric effect $(2)$ Maxwell $(B)$ Wave theory $(3)$ Huygens $(C)$ Atomic theory $(D)$ Electromagnetic radiation
| Column-$A$ | Column-$B$ |
| $(1)$ Dalton | $(A)$ Photoelectric effect |
| $(2)$ Maxwell | $(B)$ Wave theory |
| $(3)$ Huygens | $(C)$ Atomic theory |
| $(D)$ Electromagnetic radiation |
Easy
View SolutionWhich of the following statements is $CORRECT$ :
$(I)$ Where orbitals are available in degenerate sets,maximum spin multiplicity is observed.
$(II)$ Where two electrons occupy the same shell,they may have same spins.
$(III)$ All noble gases do not have the same valence shell electronic configuration.
$(I)$ Where orbitals are available in degenerate sets,maximum spin multiplicity is observed.
$(II)$ Where two electrons occupy the same shell,they may have same spins.
$(III)$ All noble gases do not have the same valence shell electronic configuration.
Medium
View SolutionMatch the items in List-$I$ with the items in List-$II$.
List-$I$ List-$II$ $A$. Nodes $I$. Three dimensional shape of the orbital $B$. Subsidiary quantum number $II$. Significant only for motion of microscopic objects $C$. White light $III$. $|\psi|^2$ is zero $D$. Heisenberg uncertainty principle $IV$. Spin state of electron $V$. Continuous spectrum
| List-$I$ | List-$II$ |
|---|---|
| $A$. Nodes | $I$. Three dimensional shape of the orbital |
| $B$. Subsidiary quantum number | $II$. Significant only for motion of microscopic objects |
| $C$. White light | $III$. $|\psi|^2$ is zero |
| $D$. Heisenberg uncertainty principle | $IV$. Spin state of electron |
| $V$. Continuous spectrum |
Which of the following violates the Aufbau principle and Hund's rule?
Difficult
View SolutionWhat is the ratio of time periods in the $3^{rd}$ orbit of $H^{-}$ atom to the $2^{nd}$ orbit of $He^{+}$ ion?
Difficult
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