Question

Write range of length and relation of various range of length.

Answer 1

Hint: The distance or size between from one end to other end is known as length. SI unit of length is meter and it is denoted by ‘m’. One meter is defined as the distance that light travels in a vacuum in 1299,792,4581299,792,458 of a second. Derivatives of measurement related to the meter are devised around the convenience of the number 10.

Complete answer:
In the present scenario the measurement of length is very vast and large so it will be expressed in terms of power of 10. The SI unit of length is meters and its symbol is ‘$m$’. The length meter can be divided into 100 equal parts known as “centimeter” and it is denoted by “$cm$”. And further centimeters are also divided into 10 equal parts known as “millimeter” and it is denoted as “mm” or we can say
$$\begin{gathered} 1m={10}^{3}mm \\ 1m={10}^{2}cm \end{gathered}$$
Their relation of various range of length:
-Size of proton - ${10}^{-17}$ m
-Size of nucleus - ${10}^{-15}$ m
-Size of a cell - ${10}^{-5}$ m
-Height of Mt. Everest - ${10}^4$ m
-Diameter of earth - ${10}^7$ m
-Distance between earth and moon - ${10}^8$ m
-Diameter of sun - ${10}^{11}$m
-Diameter of solar system - $${10}^{13}$$ m
-Size of our galaxy - ${10}^{21}$ m
-Diameter of observable universe - ${10}^{26}$ m

Note: ${10}^{26}$ m is the known largest distance or length of any object in the observable universe. It can be changed with time. S.I. unit is the international standard of measurement and it is used worldwide. The SI unit is meter and denoted by ‘m’. There are some derived units are; centimeters which are a hundredth of a meter. Millimeter which is a thousandth of a meter.