A milk man used to sell milk in the city and always carried lactometer with him. The customers trusted him and his business flourished. a) what is lactometer? b) what is the principal of working of lactometer? c) Carrying a loctometer by a milkman shows his high values. list any two.



Lactometer is a device used to measure the purity of milk.
It works on the Archimedes principal.
Two values are:
1 the milkman is a honest person.
2 he always distributed only pure milk.