Physics
Choose the correct word to fill in the blanks.
Cubit, measuring tape, square, electronic balance, Mass
(a) …………… is measured in mg, g and kg.
(b) We use …………… to measure straight and curved objects.
(c) …………… is one of the non-standard units.
(d) The area of …………… is side x side.
(e) Beam balance and …………… are commonly used to measure mass.
Measurements
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Answer
(a) Mass is measured in mg, g and kg.
(b) We use measuring tape to measure straight and curved objects.
(c) Cubit is one of the non-standard units.
(d) The area of square is side x side.
(e) Beam balance and electronic balance are commonly used to measure mass.
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Related Questions
Match the following.
Column A Column B 1. Fundamental quantities (a) Volume, area, density 2. Derived quantities (b) deci, centi, pico 3. Multiple (c) metre, kilogram, joule 4. Submultiple (d) kilo, hecto, mega 5. SI units (e) Length, mass, temperature Write down the instruments you will use to measure the length of the following objects.
(a) Circumference of a cup
(b) Length of the table
(c) Length of the curtains
(d) Thickness of a pencil
(e) Thickness of a notebook
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.