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Debanjana Adhikari posted an Question
July 01, 2020 • 16:58 pm 30 points
  • CSIR NET
  • Physical Sciences

20. a bottle of perfume is opened and a person at a distance of 10 m gets the smell atter 10 seconds. the time taken for a person 20 m away to get the smell is

20. A bottle of perfume is opened and a person at a distance of 10 m gets the smell atter 10 seconds. The time taken for a person 20 m away to get the smell is about (b) 40 s (a) 20 s (c) 14 s (d) 80 s

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    Chandra prakash best-answer

    answer is 20sec....see attached file

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    see attached file it's very helpful for you

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