The energy level diagram of a hypothetical atom is shown in the figure. A transition from $n = 3$ to $n = 2$ produces visible radiation. The possible transition to obtain infrared radiation is

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The energy level diagram of a hypothetical atom is shown in the figure. A transition from n = 3 to n = 2 produces visible radiation. The possible transition to obtain infrared radiation is

TestHub · Accepted Answer

Both 2 → 1 and 4 → 1 involve more energy and the transition 4 → 3 involve less energy, hence greater wavelength.

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