Solved papers for JEE Main & Advanced JEE Main Solved Paper-2015

done JEE Main Solved Paper-2015 Total Questions - 1

• question_answer1) Sodium metal crystallizes in a body centred cubic lattice with a unit cell edge of \[4.29\overset{\text{o}}{\mathop{\text{A}}}\,\]. The radius of sodium atom is approximately : [JEE Main Solved Paper-2015 ]
  A)
  \[5.72\overset{\text{o}}{\mathop{\text{A}}}\,\]                  
  done clear
  B)
  \[0.93\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  C)
  \[1.86\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  D)
  \[3.22\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
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