Physics · May / June 2021 · Paper 11 · Question 7

Water is added to a measuring cylinder containing 100 cm³ of liquid paraffin. (The density of paraffin is 0.80 g / cm³ and that of the water is 1.0 g / cm³.) As the water is added, the level of the paraffin rises to 150 cm³. The paraffin and water do not mix. What finally is the total mass of liquid in the measuring cylinder?

1. A130 g
2. B140 g
3. C167 g
4. D175 g

As printed in the paper