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
Correct Answer: Option A
Explanation
R.d = 19, therefore, density = 19gcm-3
mass = velocity x density
= 20 x 19
= 380g