In which type of conduction particle of matter does not gets displaced.

Which consists of particle of matter-

A very hard crystalline solid that melts at very high temperature, cannot conduct electricity either in solid state or in molten state. What kind of crystalline solid is this? What type of constituent particles does this solid consist of? What is the nature of forces that holds the particles in this solids?

The equation x= A sin omega t gives the relation between the time t and the corresponding displacement x of a moving particle where A and omega are constant. Prove that the acceleration of the particle is proportional to its displacement and is directed opposite to it.

Ionic solids in water does not conduct electricity.

[A]: In the hydrophytes the Xylem is not differ- entiated into different types of cells. [R]: Xylem provides support and helps in the conduction of water which is not very impor- tant in hydrophytes

Conduct an experiment to show the space between the particles of matter and write the report.

Which type of mirror is used to get small virtual image?