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  • Answer please! The packing efficiency of simple cubic unit cell is -

The packing efficiency of simple cubic unit cell is -

  • Option 1)

    0.50

  • Option 2)

    0.52

  • Option 3)

    0.68

  • Option 4)

    0.74

 

Answers (1)

best_answer

As we learnt in 

Packing fraction for simple cubic unit cell -

Pf = 0.52

-

 

Packing efficiency = \frac{Number \: of \: atom\times Volume\: of \: Atom}{Volume\: of \: Cube}

 

= \frac{1\times \frac{4}{3}\pi r^{3}}{\left ( 2r \right )^{3}}= \frac{\pi }{6}= 0.524


Option 1)

0.50

Incorrect

Option 2)

0.52

Correct

Option 3)

0.68

Incorrect

Option 4)

0.74

Incorrect

Posted by

Plabita

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