The size of the bacteria can be magnified 60,0000 times using an electron microscope. The wave nature of electron is used in electron microscope.
a. Name the type of waves used here
c. Why is this wave character not observed in large bodies?

Explanation

a. de-Broglie waves
c. `lambda prop (1)/(m)`. For large bodies m is very large and hence `lambda` is very small.