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This quote is from a friend who lived in communist Germany. She cries when she …
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wut m8?
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I now deem this quote a SERVRE problem!!
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user95563's citations
Unknown
- Simple physics
An electron is in the second energy level of a hydrogen atom. The atom absorbs a photon, which causes the electron to rise directly to the fifth energy level. Find the change in the Bohr radius of the electron's orbit and the frequency of the absorbed photon.