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PhysicsNEET 2019Significant figures and errors in measurement

Units and Measurements

In an experiment, the percentage errors in the measurement of physical quantities AA, BB, CC and DD are 1%, 2%, 3% and 4% respectively. Then the maximum percentage error in the measurement of XX, where X=A2B1/2C1/3D3X = \dfrac{A^2 B^{1/2}}{C^{1/3} D^3}, will be:

  1. A.313%\dfrac{3}{13}\%
  2. B.16%✓
  3. C.−10%-10\%
  4. D.10%

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