Write down important properties of electromagnetic waves.

Define electromagnetic wave.

Write down two properties of electromagnetic waves.

Write down the properties of metals

Write down the properties of metals

Write down three important properties of X -rays.

Write down an expression for speed of electromagnetic wave in free space in terms of mu_0 and in_0 .

Write down different modes by which electromagnetic waves can propagate from transmitting to receiving antenna. Mention one important use of microwaves.

Mention two characteristics of electromagnetic waves.