Why do we have different units for the same physical quantity?
(N/A) The value of any given physical quantity may vary over a wide range,so different units for the same physical quantity are required to express these values conveniently.
For example: The speed of a bicycle can be measured in $m/s$,the speed of a car can be measured in $km/h$,and the speed of a satellite can be measured in $km/s$.
For example: The speed of a bicycle can be measured in $m/s$,the speed of a car can be measured in $km/h$,and the speed of a satellite can be measured in $km/s$.
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Similar Questions
Match List-$I$ with List-$II$ and select the correct answer by using the codes given below the lists.
List-$I$ List-$II$ $(A)$ Distance between earth and stars $(1)$ Microns $(B)$ Inter-atomic distance in a solid $(2)$ $\mathring{A}$s $(C)$ Size of the nucleus $(3)$ Light years $(D)$ Wavelength of infrared laser $(4)$ Fermi
| List-$I$ | List-$II$ |
|---|---|
| $(A)$ Distance between earth and stars | $(1)$ Microns |
| $(B)$ Inter-atomic distance in a solid | $(2)$ $\mathring{A}$s |
| $(C)$ Size of the nucleus | $(3)$ Light years |
| $(D)$ Wavelength of infrared laser | $(4)$ Fermi |
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