Advertisements
Advertisements
प्रश्न
A glass beaker is half-filled with water and an empty glass tumbler is inverted & lowered inside the glass beaker. State your observations on tilting the tumbler below the level of the water in the glass beaker. Give a reason for your answer.
उत्तर
(1) Take a glass beaker half-filled with water as shown in the diagram.
(2) Take an empty glass tumbler which contains air is inverted and lowered inside the glass beaker.
(3) On tilting the tumbler the air inside the tumbler is displaced and bubbles of air are seen coming out. The air is pushed out by the water on tilting the tumbler inside the beaker of water. This experiment or procedure also proves that air or gases occupy space
APPEARS IN
संबंधित प्रश्न
Water cycle is an example of inter conversion of states of water. Explain.
Name the three states of matter and define them.
Give reason:
Why do liquids and gases flow but solids do not ?
Name the phenomenon which cause the following change:
Disappearance of camphor.
If an object weighs 6 kg on earth. What will be its weight on moon ?
Name the three states of matter and define them.
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
- increasing pressure on hydrogen contained in a closed container
- some hydrogen gas leaking out of the container
- increasing the volume of the container of hydrogen gas
- adding more hydrogen gas to the container without increasing the volume of the container
Give reasons for the following:
Water on freezing turns into ice.
Complete the statement given below by selecting the correct word.
The space between atoms in gases is maximum while in ____ is minimum,
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During soldification, the inter-particle space __________ gently.
