JAMB - Physics (1979 - No. 1)
The density 400cm3 of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6gm-3 after frying,assuming no loss of oil due to spilling, its new volume was
360cm3
600cm3
240cm3
800cm3
450cm3
Explicaţie
Since no loss of oil,
Density x volume = constant
D1V1 = D2 x V2
0.9 x 400 = V2
V2 = 600cm3
Density x volume = constant
D1V1 = D2 x V2
0.9 x 400 = V2
V2 = 600cm3