PQ is a thin rod on a horizontal table, RS is a plane mirror inclined at 45∘C 45 ∘ C to the horizontal as shown above. The image of PQ as seen in the mirror...

PQ is a thin rod on a horizontal table, RS is a plane mirror inclined at ${45}^{\circ }C$ to the horizontal as shown above. The image of PQ as seen in the mirror by the eye T is

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