Question 1 of 8Measurement
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Which row correctly gives the measuring instruments to measure the length of a wire of about 80 cm and diameter 0.20 cm?
What instrument is used to measure velocity at an instant?
The diagram shows a measurement on a vernier callipers.
Which instrument is most suitable for measuring a length of 2.100 cm?
What is the reading shown on the vernier callipers?
Which of the quantities is a base quantity?
What is the reading shown on the vernier scale?
Which is the SI unit of temperature?
What is the SI unit of length?
Which instrument is used to accurately measure the diameter of a tungsten wire?
Which instrument accurately measures the internal diameter of a boiling tube?
The smallest reading measured by a micrometer screw gauge is
Which one is not a vector quantity?
Which one is the SI unit of temperature?
State the SI base unit of mass, including its symbol.
Name the laboratory instrument commonly used to measure the mass of an object.
Fig. 1.1 shows one of the basic laboratory instruments, used to measure small lengths such as wire diameter or sheet thickness. What is the name of this instrument?
On a micrometer screw gauge, the sleeve (barrel) scale reads 8.5 mm and the thimble scale adds a further 0.35 mm. What is the total reading shown?
A micrometer screw gauge is used to measure the diameter of a small workpiece. Which of the following is a correct precaution to take when using this instrument?
Twenty turns of wire are wound closely together around a pencil so that the length spanning the turns is 25 mm. Calculate the thickness of the wire.
Fig. 1.1 shows 20 turns of wire wound closely around a pencil, with the length spanning the turns labelled AB. Name the instrument used to measure the length AB.
An instrument has a spindle, an anvil, a sleeve scale marked in millimetres, and a thimble scale, and includes a ratchet to avoid over-tightening on the object being measured. What is this instrument called?
A micrometer screw gauge used to measure the diameter of a wire has a sleeve (main) scale reading of 5.5 mm, and its thimble scale reads 0.12 mm at the datum line. What is the total diameter reading?
In a table of derived quantities and their SI units, what is the SI unit of area?
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