Question

Take two similar transparent glass bottles having wide mouths. Put a few crystals of potassium permanganate or pour a few drops of ink in one bottle. Fill this bottle with hot water. Fill the other bottle with cold water. Cover the cold water bottle with a thick piece of paper such as a postcard. Press the postcard firmly with one hand and hold the bottle with the other hand. Invert the bottle and place it on top of the hot water bottle. Hold both the bottles firmly. Ask some other person to pull the postcard. Observe what happens. Explain.

Answer 1

❤❤Given:

Given:Bottle A can hold 600ml of water. Bottle B can hold 1000 ml of water.Varun fills 450ml of water in Bottle A and 900 ml of water in Bottle B.Now, to find the capacity of each bottle.Bottle A can hold water = 600 ml.Varun fills water in Bottle A = 450 ml.Bottle B can hold water = 1000 ml.Varun fills water in Bottle B = 900 ml.So, the capacity of Bottle A is :600 ml−450 ml=150 ml.Now, the capacity of Bottle B is :1000 ml−900 ml=100 ml.Therefore, the capacity of Bottle A is 150 ml and the capacity of Bottle B is 100 ml.