Physics-
General
Easy

Question

A reflecting surface is represented by the equation x to the power of 2 end exponent plus y to the power of 2 end exponent equals a to the power of 2 end exponent A ray travelling in negative x-direction is directed towards positive y-direction after reflection from the surface at point P Then co-ordinates of point P are

  1. (0.8a,0.6a)    
  2. (0.6a,0.8a)    
  3. open parentheses fraction numerator a over denominator square root of 2 end fraction comma fraction numerator a over denominator square root of 2 end fraction close parentheses    
  4. open parentheses fraction numerator a over denominator 2 end fraction comma fraction numerator a over denominator 2 end fraction close parentheses    

The correct answer is: open parentheses fraction numerator a over denominator square root of 2 end fraction comma fraction numerator a over denominator square root of 2 end fraction close parentheses

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