📊 Physics
Q. Ventilators are provided near the ceiling of the room because
  • (A) The exhaled warmer air rises up and goes out
  • (B) These provide cross ventilation in the room
  • (C) These provide some sunlight in the room
  • (D) These do not look nice in the lower part
✅ Correct Answer: (B) These provide cross ventilation in the room

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Gaurav Lamba
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