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Atoms & Nuclei

JEE Main level, single correct, medium

151 of 239

Question 151 of 239

A hypothetical atom has only three energy levels. The ground level has energy, $E_1=-8 \mathrm{eV}$ . The two excited states have energies, $E_2=-6 \mathrm{eV}$ and $E_3=-2 \mathrm{eV}$ . Then which of the following wavelengths will not be present in the emission spectrum of this atom?

Show answer and solution

Answer: (B) $465 \mathrm{~nm}$

E=\frac{h c}{\lambda}

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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