Following is the picture of a scale of a Vernier caliper measurement. Top scale

Question

Following is the picture of a scale of a Vernier caliper measurement. Top scale is the fixed scale (cm) and the bottom scale is the moving scale. What is reading of the measurement? A) 1.00 cm B) 1.60 cm C) 1.06 cm D) 1.06 cm E) None of the above Following is the picture of a scale of a Vernier caliper measurement. Top scale is the fixed scale (cm) and the bottom scale is the moving scale. What is reading of the measurement? A) 1.00 B) 0.60 cm C) 0.06 cm D) 0.07 cm E) None of the above In lab, you take 5 measurements of the diameter of a wire which are 0.60m, 0.62m, 0.60m, 0.56m and 0.59m. What is the average deviation of your measurements? A) 0.004m B) 0.02m C) 0.016m D) 0.005m (E) None of the above What is the sample standard deviation of your measurements? A) 0.02m B) 0.01 m C) 0.03m D) 0.005 m E) None of the above In the precision measurement lab you measure the radius (r), mass (m) and length (L) of a cylinder. Following are the average values of their measurements with errors. r = 2.65 +/-05 cm L = 7.33 +/- 05 cm m = 446 g +/-4g What is the error of the density (rho)? rho = m/pi r^2 L A) 0.158/cm^3 B. 0.35g/cm^3 C) 0.55 g/cm^3 D) 0.45 g/cm^3 E)2.76 g/cm^3

Explanation / Answer

4.

Read the main scale ( last whole increment visible before 0 mark) here it is 1 plus

Now read the secondary scale ( division that lines up the best) here 6 is the beat match.

i.e. measurement is 1.06 cm

5.

Read the main scale , it is 0 plus

Now read the secondary scale , 6 lines up best.

i.e. measurement is 0.06 cm

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