which of the following sets cannot enter into the list of fundamental quantities is a system of units? A . length,mass and velocity B. length,time and velocity C . mass,time and velocity D. length, time and mass.
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B) length, time and velocity
We define length and time separately as it is not possible to define velocity without using these quantities. This means that one fundamental quantity depends on the other. So, these quantities cannot be listed as fundamental quantities in any
system of units...
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We define length and time separately as it is not possible to define velocity without using these quantities. This means that one fundamental quantity depends on the other. So, these quantities cannot be listed as fundamental quantities in any system of units.
Standards which are used to measure the fundamental quantities are called as fundamental units which are length, mass, time, temperature, current, luminous intensity, quantity of matter. Hence, magnetic field is not a fundamental quantity.
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