Advertisements
Advertisements
Question
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.
Solution
(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
RELATED QUESTIONS
Fill in the blank:
The temperature at which a liquid starts changing into its vapour state is ______.
Why can a piece of chalk be broken easily into smaller pieces while a coal piece cannot be broken easily?
Fill in the blank:
The physical state of a substance, which has a fixed volume but no fixed shape is .........
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Write true or false for statement. Rewrite the false statement correctly.
Solids can be compressed easily.
When a stone is dipped in a glass containing some water, the level of water rises but when a spoon of sugar is added to it and stirred, the water level does not rise?
Give reason of Liquids have definite volume but no difinite shape.
State in which of the three states of matter:
Are the atoms or particles far apart
Fill in the blank:
The intermolecular force of attraction is ___________ in solids.
Among the following ______ is not a mixture.
