9th Physics Chapter1 Physical Quantities and Measurement
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | Which of the following quantity can be measured using a micrometre? | current | force | length | mass | 2 | which of the one following is the smallest quantity? | 0.01g | 2mg | 100ug | 5000ng | 3 | Which one of the following unit is not a derived unit? | pascal | kilogramme | newton | watt | 4 | A measuring cylinder is used to measure: | mass | area | volume | Volume of a liquid. | 5 | Lest count of screw gauge is 0.01 mm.if main scale reading of screw gauge is zero and third line of its circular scale conicides whith datum line then the measurement on the screw gauge is : | 0 mm | 3 mm | 0.03 mm | 0.3 mm | 6 | 0.2 mm in units of metres is . | 0.0002 m | 2x10^3 | 0.02 m | 0.002 m | 7 | 94.83 x 10^3 m is the standard form of . | 94.83 m | 9.483 m | 948.3 m | 9483 m | 8 | whch instrument is most suitable to measure the internal diameter of a test tube? | metre rule | vernier callipers | measuring tap | screw gauge | 9 | How many significant figures are in 0.00350s? | 2 | 3 | 5 | 6 | 10 | Which of the following is a base unit? | pascal | coulomb | metre per second | mole | 11 | A student claimed the diammeter of a wire as 1.032 cm using vernie callipers. Upto what extent do you agree with it? | 1cm | 1.0cm | 1.03cm | 1.032cm | 12 | Write 0.00000796 in scientific notation. | 7.96 × 10^-6 | 79.6 × 10^-7 | 796 × 10^-8 | 0.0796 × 10^-4 |