If relative density of a metal is 19, what will be the mass of 20cm3 of the metal when immersed in water?
A
380g
B
400g
C
360g
D
39g
E
180g
Verified Correct Answer: A.
Physical Principles & Numerical Solution
R.d = 19, therefore, density = 19gcm-3
mass = volume x density
= 20 x 19
= 380g
Source: Myschool Past Questions Archive (Record #28822)