Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is
A. 1:2
B. 2:1
C. 4:1
D. 1:4
Answer:B
Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is
A. 1:2 B. 2:1 C. 4:1 D. 1:4