PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo
1. Take out of cooled bottle of water from refrigerator and keep it on a table. After some time you notice a puddle of water around it. Why?
 
The air around the bottle as the cooled surface of the bottle cools, and the air's water vapour . So, after some time, a puddle of water can be noticed around the bottle.
  
2. We could see clouds almost every day. Why doesn’t it rain daily?