Question

A body weighs 22.42 g and has a measured volume of 4.7 cc The possible errors in the measurement of mass and volume are 0.01 g and cc. Then the maximum error percentage in the density will be

• A. 22%
• B. 2.20%
• C. 0.22%
• D. 0.02%

Answer 1

Answer: (D)

0.02%

Answer 2

A man moves 20 m north, then 10 m east and then $10\sqrt{2}m$ south-west, then his displacement is AD. Then distance A to D = AD = 10m (north)