Physics-
General
Easy

Question

In the basic CsCl crystal structure, C s to the power of plus end exponent and C l to the power of minus end exponent ions are arranged in a bcc configuration as shown in fig. The net electrostatic force exerted by the eight C s to the power of plus end exponent ions on the C l to the power of minus end exponent ion is :

  1. fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction fraction numerator 4 e to the power of 2 end exponent over denominator 3 a to the power of 2 end exponent end fraction    
  2. fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction fraction numerator 16 e to the power of 2 end exponent over denominator 3 a to the power of 2 end exponent end fraction    
  3. fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction fraction numerator 32 e to the power of 2 end exponent over denominator 3 a to the power of 2 end exponent end fraction    
  4. zero    

The correct answer is: zero

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