Advertisements
Advertisements
प्रश्न
Why can a pace or a footstep not be used as a standard unit of length?
Advertisements
उत्तर
The size of the foot varies from person to person. If the footsteps of two persons are used to measure the length respectively, then the two distances may not be equal. Thus, a footstep is not a constant quantity. Hence, it cannot be used as a standard unit of length.
संबंधित प्रश्न
Define standard unit.
Arrange the following lengths in their increasing magnitude:
1 metre, 1 centimetre, 1 kilometre,1 millimetre.
While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?
What are the kinds of units?
Give some examples of fundamental units.
What is the standard unit of weight?
What is the measuring unit of the thickness of a plastic carry bag?
If energy (E), velocity (V) and force (F), be taken as fundamental quantities, then what are the dimensions of mass?
If the units of length and force are increased four times, then the unit of energy will ______.
The r.m.s. speed of a certain gas is v at 127°C K. The temperature at which the r.m.s. speed becomes two times, will be ______.
