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प्रश्न
Describe a simple experiment with the help of a diagram to show that Air occupies space
उत्तर
Air occupies space
- Press an inverted glass
- Tilt the tumbler to one side, tumbler over the water.
Observation: On tilting the tumbler, bubbles of air are seen coming out. Water slowly enters the tumbler to take place of the trapped air in the tumbler.
Conclusion: Air occupies space (the space in the tumbler was occupied by air).
संबंधित प्रश्न
What is greenhouse effect?
How is air useful to windmills?
Fill in the blank
Air is a ______ of gases
Give a brief account of the discovery of air and the scientists involved.
What will happen if the number of vehicles and factories in your surroundings increases?
Name the following.
Inert gases in the air
The capacity of air to hold moisture depends upon the ______ of the air.
Name the important scientists and their studies which led to the discovery of the components of air.
Mention two advantages of wind energy.
Paheli kept some water in a beaker for heating. She observed that tiny bubbles appeared before the water started to boil. She boiled the water for about 5 minutes and filled it in a bottle up to the brim and kept the bottle air tight till it cooled down to room temperature.
Do you think tiny bubbles will appear on heating the water taken out from the bottle? Justify your answer.
