Q.
The muon has the same charge as an electron but a mass of that is 207 times greater. The negatively charged muon can bind to proton to form a new type of hydrogen atom. How does the binding energy Eaμ of the muon in the ground state of a muonic hydrogen atom compare with the binding energy EBe of an electron in the ground state of a conventional hydrogen atom?
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a
EBμ≈EBe
b
EBμ≈200EBe
c
EBμ≈100EBe
d
EBμ≈EBe/200
answer is B.
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Detailed Solution
EB=-13.6mZ2n2The mass of mesic atom is 200meEB∝mEBμEBe=mmme⇒EBmEBe=200memeEBm=200EBeTherefore emitted radiation falls in X ray region
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