Question

choose the correct statement among the following ?

1. when a body is immersed fully or partially into a fluid it experiences an upward force that is eual to the weight of the fluid diapaced by it.
2. a stone is tied with a light spring, as this stone is slowly lowered into the water the reading of the spring balance decreases will it touches the bottom of the container.
3. lactometer is used to measure the purity of a sample of milk
4. the density of the object can be measured in kg cm³

Answer 1

I think all of them are correct..