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Question 30189
JEE Physics · Hard

Errors and Measurements: Error — JEE Advanced Formula MCQ

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Error — JEE Advanced FormulaHardQuestion 30189

Question

Surface tension T is found using T = Fθ/(2L). If %error in F = 2%, in θ = 1%, in L = 3%, then %error in T is:
  1. A
    6%
    Correct
  2. B
    4%
  3. C
    2%
  4. D
    8%

Correct answer

6%

Explanation

%error in T = %error in F + %error in θ + %error in L = 2 + 1 + 3 = 6%.

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