A basic postulate of the kinetic theory of gases is that the molecules of a gas move in straight lines between collisions. This implies that?
collisions are perfectly elastic
forces of repulsion exist
forces of repulsion are in equilibrium
collision are inelastic
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Look at this question properly , the particles are moving in straight lines between collision, they haven't collided yet because as they are coming closer they is repulsion making both particles to move in straight line
Ans B
The particles move in straight lines at different speeds. - There are attractive forces between particles. ... - The collisions between particles and the walls of the container do not change the kinetic energy of the system. - The temperature of a gas is a measure of the average kinetic energy of the particles.
i dnt realy thnk d ans is correct,cos gas molecules cnt b in a straight line and b elastic at d same tym....gases are usually elastic in nature by deir actn of bombardment nd collision,so if gases are in a straight line,they can neva b elastic.
The correct option should be option D,i.e perfectly inelastic.
Ordinarily,the molecules of a gas can collide with each other,buh they can never rebounce back after collision{elasticity} as seen in liquids and solids cause their molecules move freely and do not have any container or encampment habouring 'em.
