Physics Practice Test – Units, Measurement and Dimensional Analysis (Questions with Answers and Explanations)

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Physics Practice Test – Units, Measurement and Dimensional Analysis (Questions with Answers and Explanations)

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

A. 10.50 mm      B. 9.46 mm      C. 10.98 mm      D. 11.19 mm


Which of the following physical quantities are derived?

I. Area     II. Thrust     III. Pressure     IV. Mass

A. I, II, III and IV     B. I, II and III only     C. I, II and IV only     D. I and III only


Which of the following is a derived unit?

A. Ampere     B. Kilogramme     C. Second     D. Ohm


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

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



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

A. 5.15 cm      B. 4.10 cm      C. 6.65 cm      D. 5.68 cm

 

 

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