Physics Practice Test – Units, Measurement and Dimensional Analysis


Hello and Welcome to Physics Practice Test - Units, Measurement and Dimensional Analysis

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The diagram above represents a section of a pair of vernier calipers. The reading on the instrument is _____

A. 5.22 cm     B. 5.24 cm     C. 5.25 cm     D. 5.26 cm


Which of the units of the following physical quantities is not a derived unit?

A. Area     B. Thrust     C. Pressure     D. Mass


The weight of a body is measured with _______

A. spring balance.     B. beam balance.     C chemical balance.     D. lever balance.



The diagram above illustrates a micrometer screw gauge. Determine its reading. 

A. 5.44 mm      B. 6.46 mm      C. 7.63 mm      D. 8.19 mm



The diagram above illustrates a micrometer screw gauge. Determine its reading. 

A. 1.44 mm      B. 2.46 mm      C. 3.63 mm      D. 2.83 mm


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