1)

A ray of light along  x+3y=3  gets reflected upon reaching x-axis , the equation of the reflected ray is


A) y=x+3

B) 3y=x3

C) y=3x3

D) 3y=x1

Answer:

Option B

Explanation:

Take any point B(0,1) on gives line, equation of AB'

 y0=1003(x3)

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     3y=x+3

      x3y=3

     3y=x3