Tag: learning how to measure

Quizzes (4) Questions (71)

Questions Related to learning how to measure

Multiple choice physics learning how to measure measuring length measurement of small and large distances measurement of distance unit of fundamental quantities

From the following, the biggest unit of energy is?

  1. Joule

  2. Kilowatt hour

  3. Erg

  4. Electron volt
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Since, we know that SI unit of energy is represented by Joule. Hence, let us convert all the different units in the form of Joules.


$1\,Joule=1\,Joule$

$1\,Kwh=3600000\,Joule$

$1\,erg=10^{-7}\,Joule$

$1\,eV=1.6\times 10^{-19}\,Joule$

Hence, Kilowatt hour is the largest unit of energy and hence it is practically used in everyday life of electric consumption.

Multiple choice physics learning how to measure measurement of area and volume measurement of volume measurement of area, volume and density

Which is the correct form of expressing SI unit of volume?

  1. $\displaystyle { m }^{ 3 }$
  2. $cubicmetre$
  3. $\displaystyle { metre }^{ 3 }$

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SI unit of volume is $m^3$ which can also be written as $cubicmetre$ and $metre^3$. It is a big unit, the smaller units are also in use.

Multiple choice physics learning how to measure measurement of area and volume measurement of volume measurement of area, volume and density

The volume of a stone can be determined by the displacement method using a measuring cylinder. True or false.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It is true that the volume of a stone (or any irregular shaped body) can be determined by the displacement method using a measuring cylinder. Volume of the stone is equal to the difference of final level of water in the mesuring jar and the initial level.

Multiple choice physics learning how to measure measurement of area and volume measurement of volume measurement of area, volume and density

Name the unit in which the volume of liquid is generally measured. How can this unit is related to L.

  1. kilogram, 1 litre = 10$^{-6}$ m$^3$
  2. litre, 1 litre = 10$^{-6}$ m$^3$
  3. litre, 1 litre = 10$^{-3}$ m$^3$
  4. litre, 1 litre = 10$^{-3}$ cm$^3$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Volume is generally measured in liter, $1\ liter=10^{-3}m^3$

Multiple choice physics learning how to measure measurement of area and volume measurement of volume measurement of area, volume and density

Mark the formulae which is used to measure volume of a regular shaped object.

  1. Volume of a cuboid $=$ Length $\times$ Breadth $\times$ Height
  2. Volume of a cube of side $a$ each, $V = {a}^{3}$

  3. Both A and B

  4. None of A and B
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the length, breadth and height are equal, a cube is formed. Let $a$ be the length of each side of the cube, then its volume $V$ is equal to $a \times a \times a$, or ${a}^{3}$.

Volume of a cube of side a each, $V  = {a}^{3}$

The volume of a cuboid of length $\left(l\right)$, breadth $\left(b\right)$ and height $\left(h\right)$, is the product of length, breadth and height.

Volume of a cuboid $=$ Length $\times$ breadth $\times$ Height

Multiple choice physics learning how to measure measurement of area and volume measurement of volume measurement of area, volume and density

The space occupied by a substance is its

  1. Area

  2. Volume

  3. Surface area

  4. Cross section area
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The space occupied by a substance is its volume. The $SI$ unit for volume is the cubic metre $\left({m}^{3}\right)$.

Sub-multiples of the cubic metre, the cubic centimetre and the cubic millimetre are used for smaller measurements.