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Q.

If vector equation of incidence ray incident on mirror $M_{1}$ is given by $\frac{- 3 \hat{i} - 4 \hat{j}}{5}$ , then vector equation of reflected ray will be (after reflection from both mirrors):

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a

$\frac{- 3 \hat{i} + 4 \hat{j}}{5}$

b

$\frac{3 \hat{i} - 4 \hat{j}}{5}$

c

$\frac{3 \hat{i} + 4 \hat{j}}{5}$

d

$- 3 \hat{i} - 4 \hat{j}$

answer is C.

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If vector equation of incidence ray incident on mirror M1 is given by −3i^−4j^5 , then vector equation of reflected ray will be (after reflection from both mirrors):