1 ) Convert
( c) 278mmintom
We know,
1mm=11000m
⇒ 278mm=2781000=0.278m
Convert 1 mm of Hg into pascal. Take density of Hg = 13.6 ×103 kg m−3 and g= 9.8 m s−2.
Convert : 4.9m into mm
convert into mm
9cm