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Question 30177
JEE Physics · Hard

Errors and Measurements: Error — Practical MCQ

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Error — PracticalHardQuestion 30177

Question

Young's modulus Y = (FL)/(AΔl). If %errors in F, L, A, Δl are 1, 2, 3, 4% respectively, the %error in Y is:
  1. A
    10%
    Correct
  2. B
    8%
  3. C
    6%
  4. D
    4%

Correct answer

10%

Explanation

%error in Y = %F + %L + %A + %Δl = 1 + 2 + 3 + 4 = 10%.

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