64
A liquid of volume 2.00 m3 and density 1.00 x 103 is mixed with 3.00 m3 of another liquid of density 8.00 x 103kg m-3. Calculate the density of the mixture [Assuming there is no chemical reaction]
- A. 5.20 x 102 kg m-2
- B. 1.13 x 103 kg m-3
- C. 8.80 x 102 kg m-3
- D. 5.20 x 103 kg m-3
65
Which of the following physical quantities is correctly paired with it’s corresponding S.I unit?
- A. density[kg m3]
- B. power[Js-1]
- C. specific latent heat [J kg-1K-1
- D. Pressure [Nm-1]
66
Which of the following observations is not an effect of surface tension?
- A. droplets of water dripping slowly from a tap
- B. mercury spilled on a clean glass plate forms spherical droplets
- C. an indect walking across the surface of a pond
- D. water flowing out more easily then engine oil from a container