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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

(0.8a,0.6a)
(0.6a,0.8a)
$(\frac{a}{\sqrt{2}}, \frac{a}{\sqrt{2}})$
$(\frac{a}{2}, \frac{a}{2})$

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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