Advertisements
Advertisements
Question
Comment upon the following:-
kinetic energy
Advertisements
Solution
Kinetic energy is the energy possessed by a particle due to its motion.
RELATED QUESTIONS
The mass per unit volume of a substance is called density.
(density = mass/volume).
Arrange the following in order of increasing density-
air, exhaust from chimneys, honey, water, chalk, cotton and iron.
Tabulate the differences in the characteristics of states of matter.
Give reasons:
We can easily move our hand in air, but to do the same through a solid block of wood, we need a karate expert.
Name two gases which are supplied in compressed form in homes and hospitals.
State two characteristic properties of a gas.
Why do gases have neither a fixed shape nor a fixed volume?
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
Comment upon the following:-
shape
2 litre He gas at 2 atm and 300 K is inserted into a 4 litre rigid container containing N2 at 600 K and 4 atm. Finally mixture is maintained at 600 K temperature. The final pressure of gaseous mixture would be ______ torr.
