Physics > 2002 > 2
JAMB UTME
A copper cube weights 0.25N in air, 0.17N when completely immersed in paraffin oil and o.15N when completely immersed in water. The ratio of upthrust in oil to upthrust in water is
A.
3 : 5
B.
4 : 5
C.
7 : 10
D.
13 : 10
Answer: B
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