📊 Physics
Q. What is the principle of a 'Life Jacket' -

  • (A) It decreases the volume of the person to keep him afloat
  • (B) The person can sit on it like a raft
  • (C) It increases the volume of the person to keep him afloat
  • (D) It provides oxygen to a drowning person
✅ Correct Answer: (C) It increases the volume of the person to keep him afloat

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Ram Sharma
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