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The energy level diagram of a hypotheti...

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

A

`4rarr3`

B

`2rarr1`

C

`4rarr1`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Both `2 rarr`1 and ` 4 rarr` 1 involve more energy, the transition `4rarr3` involve less energy, hence greater wavelength.
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