JAMB - Physics (2008 - No. 12)
An empty density bottle weighs 2 N. if it weighs 5 N when filled with water and 4 N when filled with olive oil, the relative density of olive oil is?
(1)/3
(2)/3
(1)/5
(2)/5
Объяснение
relative density = (weight of substance )/weight of equal volume of water = (4 - 2)/5 - 2 = (2)/3