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A stick of 1 m is moving with velocity of $\large 2.7 \times {10^8}m{s^{ - 1}}$ . What is the apparent length of the stick $\large (c = 3 \times {10^8}m{s^{ - 1}})$

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10 m

0.22 m

0.44 m

2.4 m

answer is C.

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Detailed Solution

l = l₀ √(1 - v²/c²) = 1 √(1 - (2.7 × 10⁸ / 3 × 10⁸)²) ⇒ l = 0.44 m

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