Join ExamsbookAnswer : 4. "743 nm"
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 :5
Q: 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 :
- 1518 nmfalse
- 21035 nmfalse
- 3325 nmfalse
- 4743 nmtrue
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Answer : 4. "743 nm"
Explanation :
Answer: D) 743 nm Explanation: 1λ=1λ1+1λ2 1355=1680+1λ2 1λ2=680-355680×355 ⇒λ2=743nm.
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