Debanjana adhikari Asked a Question
July 1, 2020 11:28 ampts 30 pts
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 dhawan thankyou
    answer is 20sec....see attached file
    • cropped-1229301218.jpg
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    Chandra dhawan
    see attached file it's very helpful for you
  • Vaishali sharma
    see attached
    • cropped5072505060783056427.jpg
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  • Chandra dhawan
    I hope you got it
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  • Chandra dhawan
    dear hope you got it
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