Solved papers for JEE Main & Advanced AIEEE Solved Paper-2012

done AIEEE Solved Paper-2012 Total Questions - 2

• question_answer1) Hydrogen atom is excieted from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be:   AIEEE  Solved  Paper-2012
  A)
  2                                                
  done clear
  B)
  3
  done clear
  C)
  5                                                
  done clear
  D)
  6
  done clear
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• question_answer2) An object 2.4 m in front of a lens forms a sharp image on a film 12 cm behind the lens. A glass plate 1 cm thick, of refractive index 1.50 is interposed between lens and film with its plane faces parallel to film. At what distance (from lens) should object shifted to be in sharp focus on film?   AIEEE  Solved  Paper-2012
  A)
  7.2 m
  done clear
  B)
  2.4 m
  done clear
  C)
  3.2 m                                       
  done clear
  D)
  5.6 m
  done clear
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