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Sticky Note
The speed of light is _____?
روشنی کی رفتار _____ ہے؟
  1. Eight fifty miles per second
  2. Two hundred miles per second
  3. One lac eighty six thousand per second
  4. None of these
Explanation
  • The speed of light in a vacuum is 186,282 miles per second (approximately 3 × 10⁸ m/s).
  • This speed is a fundamental constant in physics.
  • It playing a crucial role in Einstein’s Theory of Relativity.

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