The emission spectrum of hydrogen is found to satisfy the expression for the energy change E in joules such that E - 2-18- 18-181-n12-1-n22J where n1- 1- 2- 3- -and n2 - 2- 3- 4- The spectral lines corresponds to Paschen series if -

For positive integers n₁,n₂ the value of the expression $(1 + i)^{n_{1}}$ + $(1 + i^{3})^{n_{1}}$ + $(1 + i^{5})^{n_{2}}$ + $(1 + i^{7})^{n_{2}}$ where i= $\sqrt[2]{- 1}$ is a real number if and only if

Q. The time period for revolution of electron in a Hydrogen atom state

n_{1}

T_{1}

and time period for revolution of electron in higher orbit

n_{2}

T_{2}

. If

\frac{T_{2}}{T_{1}} = 27

. Which values of

n_{1}

and

n_{2}

are not possible?

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The emission spectrum of hydrogen is found to satisfy the expression for the energy change △E (in joules) such that △E=2.18×18−18(1n21−1n22)J where n1= 1, 2, 3, .......and n2 = 2, 3, 4. The spectral lines corresponds to Paschen series if :

The correct option is B n1=3 and n2=4,5,6In the emission spectra of hydrogen atom, Paschen series is the one where the transition from higher energy states to third energy state takes place.i.e. nf=n1=3 and ni=n2>3option B

The correct option is B $n_{1} = 3$ and $n_{2} = 4, 5, 6$
In the emission spectra of hydrogen atom, Paschen series is the one where the transition from higher energy states to third energy state takes place.
i.e. $n_{f} = n_{1} = 3$ and $n_{i} = n_{2} > 3$
option B