Physical quantity and measurement|class 8th| chapter 2|line by line explanation|Riddhi rani|

science.
physics.
chapter 2.
physical quantity and measurement.
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chapter 1 👉
   • Matter| chapter 1|class 8th|Line by line e...  
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Topic:-
Density.
Unit of density.
Determination of density of a regular solid.
Vessels for measuring volume.
Determination of density of an Irregular solid.
Determination of density of a liquid.
Density bottle.
Relative density.
Principle of floatation.
some applications of floatation.

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