In the determination of Young's modulus (Y=(4MLg)/(pi//d^(2))) by using Searle's method, a wire of length L =180cm and a diametre d=0.6 mm is used. For a load M =4 kg, an extension l= 0.2 mm in the length of the wire is observed. Quantities d and I are measured using a respectively. They have the same pitch of 0.5 mm. The number of divisions on their circular scale is 100. The contributions to the maximum probable error of the measurement are

In the determination of Young's modulus (Y=(4MLg)/(pi//d^(2))) by usin

1.	In the determination of Young's modulus (Y=(4MLg)/(pi//d^(2))) by using Searle's method, a wire of length L =180cm and a diametre d=0.6 mm is used. For a load M =4 kg, an extension l= 0.2 mm in the length of the wire is observed. Quantities d and I are measured using a respectively. They have the same pitch of 0.5 mm. The number of divisions on their circular scale is 100. The contributions to the maximum probable error of the measurement are
Answer» due to the errors in the MEASUREMENTS of d and L are the same. due to the ERROR in the MEASUREMENT of d is 0.4% more than that due to the error in the measurement of l. due to the error in the measurement of l is 0.83% more than that due to the error in the measurement of d. due to the error in the measurement of d is four times that due to the error in the measurement of l. Answer :C

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