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ChemistryAtomic StructureBohr's Atomic ModelHard2 minPYQ_2011

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A gas absorbs a photon of $355 nm$ and emits at two wavelengths. If one of the emissions is at $680 nm$ , the other is at:

Options:

Answer:

Solution:

$\frac{1}{λ _{absorted}} = \frac{1}{λ _{1}} + \frac{1}{λ _{2}}$ $\Rightarrow \frac{1}{355} = \frac{1}{680} + \frac{1}{λ _{2}}$ $\Rightarrow λ_{2} = 742.8 ≅ 743 nm$

Stream:JEESubject:ChemistryTopic:Atomic StructureSubtopic:Bohr's Atomic Model

⏱ 2mℹ️ Source: PYQ_2011

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