Write two important precautions to be taken in an experiment to determine the density of a solid by using a spring balance and a measurring cylinder.
1) The liquid present in the measuring cylinder should not contain any air bubble in it.
2) The lower meniscus of the water level should be noted .
3) When the solid is immersed in the liquid , it should not touch the sides of the measuring cylinder.
2) The lower meniscus of the water level should be noted .
3) When the solid is immersed in the liquid , it should not touch the sides of the measuring cylinder.