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1. |
An object is dipped in water, if the weight of the object measured by spring balance is 10 g and buoyancy force acting on the object is 0.1 N then what is the actual mass of the object? |
A. | 10 g |
B. | 20 g |
C. | 30 g |
D. | 40 g |
Answer» C. 30 g | |