Question

If 60% of solid is inside the liquid while floating
then density of solid will be (given that density of
liq. is 3 × 103 kg/m3) :-​

Answer 1

Answer:

Fraction of volume immersed is given by

f=

ρ

I

ρ

s

In first case 0.6=

ρ

w

ρ

s

=

I

ρ

s

or ρ

s

=0.6 g/cm

3

=density of wood

In second case

0.8=

ρ

I

ρ

s

=

ρ

e

0.6

or ρ

I

=

0.85

0.6

=0.705 g/cm

3