Two men \( P \& Q \) are standing at corners \( A \) & \( B \) of square \( A B C D \) o...

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Two men \( P \& Q \) are standing at corners \( A \) & \( B \) of square \( A B C D \) of side \( 8 \mathrm{~m} \). They start moving along the track with constant speed \( 2 \mathrm{~m} / \mathrm{s} \) and \( 10 \mathrm{~m} / \mathrm{s} \) respectively. Find the time when they will meet for the first time.

(1) \( 2 \mathrm{sec} \)
(2) \( 3 \sec \)
(3) \( 1 \mathrm{sec} \)
(4) \( 6 \mathrm{sec} \)
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