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MHT CET Chemistry question

ChemistryStructure of AtomMHT CET

The radius of the second Bohr orbit for hydrogen atom is (Planck's constant (h) = Js; mass of electron = kg; charge of electron (e) = C; permitivity of vacuum () = )

Answer: (D)

Solution

gives Å for n = 1, so for n = 2, Å; 0.529 Å is

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Question ID VK-060512