Physics
State whether the given statements are true (T) or false (F). Correct the false statements.
(a) FPS system is the standard system of units.
(b) Area of a surface is measured using standard formulae and graph paper.
(c) The SI unit of mass is gram.
(d) One solar day is equal to 24 hours.
(e) Mercury is used as thermometric fluid in thermometers.
Measurements
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Answer
(a) False
Corrected Statement — FPS system was used in USA or UK not internationally.
(b) True
(c) False
Corrected Statement — The SI unit of mass is kilogram.
(d) True
(e) True
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Related Questions
Some of the facts that you have learnt till now are listed below. Tick (✓) the facts that are correct and cross (x) the facts that are incorrect.
(a) Mercury is used as thermometric fluid in a thermometer.
(b) The SI unit of time is hour.
(c) The time displayed in analogue watches is in the hh:mm format.
(d) Clinical thermometer is used to check the temperature of humans.
(e) The Sl unit of temperature is kelvin.
Fill in the blanks.
(a) …………… quantities are derived from fundamental quantities.
(b) The distance between two extreme ends of an object is called …………… .
(c) …………… is the amount of matter contained in an object.
(d) The Sl unit of time is …………… .
(e) …………… thermometer measures temperature in the range of -10 °C to 110 °С.
Write one word or few words for the following.
(a) The standard system of units accepted worldwide
(b) Error in measurement due to positioning of the eye
(c) The instrument used to measure long lengths of straight or curved objects
(d) Formula to calculate the area of a circle
(e) The instrument used in labs for accurate measurement of mass
Match the columns.
Column A Column B 1. A non-standard unit (a) Thickness of wire 2. Screw gauge (b) Square 3. Two-dimensional figure (c) Cubit 4. One century (d) Kink 5. Important part of a clinical thermometer (e) 100 years