What wavelenght is expected for light composed of photons

AI Thread Summary
The discussion centers on calculating the wavelength of light emitted during an electron transition from n=3 to n=1 in a hydrogen atom. Participants emphasize using the energy formula E=hc/λ, where E is the energy difference between the two states, h is Planck's constant, c is the speed of light, and λ is the wavelength. One user initially calculated a wavelength of 8.1 x 10^-6 m and sought confirmation of its accuracy. Others suggested checking textbooks and provided a link to HyperPhysics for additional resources on electron transitions, indicating that the necessary formulas and explanations are readily available in standard physics texts.
moonlight1
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What wavelenght is expected for light composed of photons produced by an n= 3 to n=1 transition in a hydrogen atom?

How do u work this out? Iam pretty confused.
 
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please help!
 
You should be able to find a formula for the energy of such transitions in your text, from the energy use E=hc/lamda to find the wavelength.
 
ok i did it and i got 8.1*10^-6 m.
Is that right? Thanxs.
 

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