9th Physics Chapter1 Physical Quantities and Measurement
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | 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 | 2 | Which of the following is a base unit? | pascal | coulomb | metre per second | mole | 3 | 0.2 mm in units of metres is . | 0.0002 m | 2x10^3 | 0.02 m | 0.002 m | 4 | 94.83 x 10^3 m is the standard form of . | 94.83 m | 9.483 m | 948.3 m | 9483 m | 5 | which of the one following is the smallest quantity? | 0.01g | 2mg | 100ug | 5000ng | 6 | An interval of 200us is equivalent to | 0.2s | 0.02s | 2x10^-3 | 2x10^-4 | 7 | Which of the following numbers show one significant digit? | 1.1 | 6.0 | 7.1 | 6x10^3 | 8 | Convert 3,750,000,000,000 to scientific notation. | 3.75 × 10^12 | 37.5 × 10^11 | 375 × 10^10 | 3750 × 10^9 | 9 | Which one of the following unit is not a derived unit? | pascal | kilogramme | newton | watt | 10 | Which of following prefix represents a largest value ? | mega | pico | peta | kilo | 11 | A measuring cylinder is used to measure: | mass | area | volume | Volume of a liquid. | 12 | whch instrument is most suitable to measure the internal diameter of a test tube? | metre rule | vernier callipers | measuring tap | screw gauge |