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Physics Grade 9 Unit 2: Physical Quantities
national exam questions have come from this unit. It runs 28 pages; one careful study pass takes about 2.4 hours, and its difficulty is moderate among Physics units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.
2.1 Scales, Standards, Units (prefixes) · read p. 12
- 2014 E.C., Q5 – Which of the following statements distinguishes between random and systematic errors?
- 2012 E.C., Q33 – Which one of the following is correct about accuracy and precision of a measurement?
- 2009 E.C., Q15 – If a precision of surveyor measured a distance of 500 meters /between two points in a village/ using a meter that has centimetre division on it, then what is the measurement result?
2.2 Measurement and Safety · read p. 20
- 2013 E.C., Q22 – A student wants to measure the length and height of the school laboratory. There are Vernier calipers, meter stick, micrometer screw gauge and meter tape measuring instruments in the laboratory. Which one of the followin
2.3 Classification of Physical Quantities · read p. 26
- 2015 E.C., Q42 – Which one of the following groups of physical quantities contains only vectors?
2.4 Unit conversion · read p. 29
- 2017 E.C., Q13 – Vector quantities are represented by ______
- 2016 E.C., Q40 – Which one of the following set contains vectors ONLY?
- 2016 E.C., Q1 – In the following choices, given that the symbols N, m, J, kg, stand for Newton, meter, Joule, and kilogram, respectively, then which one is the correct SI unit of torque?
- 2014 E.C., Q10 – A young double slit experiment consists of two narrow slits separated by 0.06 mm and 1.2 m away from a screen. If the slits are illuminated with a light of wavelength 563 nm, the location of the fourth bright fringe on t
- 2008 E.C., Q6 – An airplane travelled from Addis Ababa to Mekele, 780km in 45minutes. What was it average speed?