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#Question id: 20154


If r is the radius of first orbit, the radius of nth orbit of the H atom will be

#XL - P Chemistry
  1. r n2
  2. rn
  3. r/n 
  4. r2n2

Answer:- Option(s): 1


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#Question id: 31577

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#Question id: 31578

#XL - S Microbiology

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