ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!
  • google app store apple app store
    • тЬЦ

      Question

      Two parallel wires of length 10 cm each are separated by

      a distance of 0.5 cm in a liquid. If the distance between them is increased by 2 mm, how much work is done? (Surface tension = 72 dyne/cm)
      A 144 ergs Correct Answer Incorrect Answer
      B 72 ergs Correct Answer Incorrect Answer
      C 288 ergs Correct Answer Incorrect Answer
      D 216 ergs Correct Answer Incorrect Answer

      Solution

      W=T├Ч╬ФA ╬ФA=2├Чlength├Ч╬Фd Substituting values: W=72├Ч2├Ч10├Ч0.2=288 ergs

      Practice Next
      More General science Common Questions

      Relevant for Exams:

      ask-question