Answer:

It should be 100 cm3

Explanation:

Given: Weight of the body in air, W = 5kgf = 50 N

Volume of the body, V =100 cm3 = 100×10−6 m3 = 10−4 m3

Density of the liquid, d = 1.8 × 10³ kg/m³

(i) The upthrust due to liquid = dVg

=1.8×10³×10⁻⁴× 10

=1.8 N

(ii) The weight of the body in liquid = W-B

= 5 N - 1.8 N

= 3.2 N

(iii) Upthrust on body = Upthrust due to liquid = 1.8 N

The assumption made in part (i) was that the volume of water displaced = volume of the body