Solved papers for JEE Main & Advanced AIEEE Solved Paper-2006

done AIEEE Solved Paper-2006 Total Questions - 1

• question_answer1) Lanthanoid contraction is caused due to     AIEEE  Solved  Paper-2006
  A)
  the appreciable shielding on outer electrons by\[4f\]electrons from the nuclear charge
  done clear
  B)
  the appreciable shielding on outer electrons by\[5d\]electrons from the nuclear charge
  done clear
  C)
  the same effective nuclear charge from\[Ce\]to\[Lu\]
  done clear
  D)
  the imperfect shielding on outer electrons by\[4f\]electrons from the nuclear charge
  done clear
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