Why in a bottle of narrow neck, water is poured with the help of inclind glass rod
Answers
Answer:
In order to fill a glass bottle of narrow neck, if water is allowed to fall on the opening of the neck of the bottle, the pressure of air inside the bottle and strong force of adhesion acting between molecules of water and glass as compared to weak force of cohesion between water molecules do not allow the water to ...
Answer:
lf water is directly poured into a bottle of narrow neck, the stream of water blocks the neck due to the pressure of inside air and the strong force of adhesion between glass and water. If a small part of glass rod is placed inside the bottle and water is poured along the length of the rod outside the bottle, water molecule climbing to the glass rod and the force of gravity pulls down these molecules into the bottle.