For same mass of iron and air … of iron will be less than air.
a) pressure
b) density
c) volume
d) both b & c
The symbol used for density is named as……..
a) Roh
b) Rho
c) Gamma
d) none of these
Explanation: the symbol used for density is ρ named as Rho
The
mathematical form of density is…………
a) ρ = m/l
b) ρ = m/A
c) ρ =m/v
d) ρ = mv
Explanation: Density is a ratio between mass and volume.
The S.I unit
of density is…….
a) kgm3
b) kgm2
c) kg/m3
d) kgm
Explanation: As ρ =m/v so ρ =kg/m3
1m3 = …………litre
a) 100
b) 500
c) 1000
d) 1500
To know which substance is heavier or which is lighter we generally compare the……of various substances.
a) masses
b) volumes
c) densities
d) none of these
