Physics
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.
Measurements
1 Like
Answer
(a) ✓
(b) x
Corrected Fact — The SI unit of time is second.
(c) ✓
(d) ✓
(e) ✓
Answered By
1 Like
Related Questions
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
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.
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.
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.