Question

Pappu used to apply milk in locality so he claimed that is supplied pure milk. many people complained at his supply containef adulterant milk. to help of people in his neighborhood Varun put the milk to test in lactometer and Prove the popular on which principle does a lactometer work. state the principle involved. what qualities are exhibited by Varun

Answer 1

varun knows the archemedie's principal and varun is educated mostly lactometer is used to determine the purity of milk

Answer 2

Varun show the qualities like educated, knowledge of pbysics, helping nature, sharp mind etc.
Lactometer based on the archimide's principles.
A Lactometer is used to measure the cream contents of the milk thus its purity and its quality is proved.