Question

Any 5 practical units of (length,mass and time)

Answer 1

length

1.foot
2.inch
3.centimeter
4.meter
5.mile

mass

1.gram
2.pound
3.tonn
4.quintal
5.the Planck mass (mP) is the maximum mass of point particles (about 2.18×10−8 kg). It is used in particle physics.

mass

1.

• The jiffy is the amount of time light takes to travel one fermi (about the size of a nucleon) in a vacuum.
• Planck time is the time light takes to travel one Planck length. ...
• second
• minute
• hour
• light year