Physics
Related Questions
Write true or false for each statement :
(a) The molecules of each substance are identical.
(b) The inter-molecular forces are effective at all distances between the two molecules.
(c) The molecules in a substance are in random motion.
(d) In a gas, the molecules can move anywhere in space.
(e) Liquids are less viscous than gases.
Match the following columns :
Column A Column B (a) A molecule is composed of (i) does not exist free in nature. (b) Ice, water and water vapour (ii) can vibrate only up to about 10-10 m from their mean positions. (c) An atom (iii) atoms. (d) Gases (iv) are the three states of water. (e) The molecules of a solid (v) occupy space Name the three states of matter.
What is a molecule?