Liquid with varying density is contained in a rectangular container of height 10 cm. The density of the liquid at a depth h cm below the free surface is given by…

Q: Liquid with varying density is contained in a rectangular container of height 10 cm. The density of the liquid at a depth h cm below the free surface is given by ρ = ρ0 (1 + h), where ρ0 = 0.8 gcm-3. Its average density is 8k/10 gcm-3. Find the value of k. (Given, base area = 100 cm2)

(a) 2

(b) 4

(c) 6

(d) 8

Click to See Answer :
Ans: (c)