Q.
A ray of light along x+3y=3 gets reflected upon reaching x-axis, the equation of the reflected ray is
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a
y=x+3
b
3y=x−3
c
y=3x−3
d
3y=x−1
answer is B.
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Detailed Solution
Slope of reflected ray is 13 and it passing through (3,0) is y−0x−3=13 3y=x−3
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