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.
Advertisements
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
Write whether the following statement is true or false.
Only water can exist in three different states.
Give an experiment to explain that there are intermolecular spaces between water molecules.
The state of matter which has no definite shape or volume is called
Fill in the following blank with suitable words :
The smell of perfume gradually spreads across a room due to .....................
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to compressibility.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to density.
Give a reason why solids and liquids co-exist at their melting points.
State the term which refers to the conversion of a substance on heating from.
- solid-state to liquid state
- liquid state to vapour state
- vapour state to liquid state
- liquid state to solid-state.
State in which of the following examples ie. a piece of wood, water, light gas is the Energy possessed by particles of matter, very large.
