Young's modulus is determined from Y = MgL³/(4bd³δ). The measured quantities and least counts are listed in the source table. Find the fractional error in Y. Image
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Young's modulus is determined from Y = MgL³/(4bd³δ). The measured quantities and least counts are listed in the source table. Find the fractional error in Y. Image

G1 Physics · Accepted Answer

For Y=MgL³/(4bd³δ), fractional error =ΔM/M+3ΔL/L+Δb/b+3Δd/d+Δδ/δ. Using each least count divided by the observed value gives ≈0.0155. Correct answer: B.