Questions asked by Saran V.

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• A quadrilateral has sides of lengths 3cm,4cm,5cm and 'x' cm. What is the greatest possible integral value of 'x'?
  
• The locus of a point equidistant from (a+b , b-a ) and (a-b , a+b) is ?
  
• How to derive the equation for stopping voltage of a photoelectron, i.e, K.E._max = | eV_o | ?
  
• What is the lewis dot structure of nitrate ion?
  
• In electrical insulators, why are the electrons not free to move unlike in conductors? Is it due to stronger bonds or attraction between nucleus and electron?