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Question 243 · Britain since 1945

Which radar-related invention by Sir Robert Watson-Watt helped Britain in the Second World War?

  1. A Radar ✓ Correct
  2. B The jet engine
  3. C Penicillin
  4. D The hovercraft

✅ Correct answer: A — Radar

💡 Explanation

Sir Robert Watson-Watt developed radar, which was important to Britain's air defence in WWII.

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