Question

find any two irrational No. Between 0.5 and 0.55

Answer 1

The decimal expansion of an irrational number is non-terminating non-repeating.

There are infinitely many irrational numbers between 0.5 and 0.55

The two irrational numbers between 0.5 and 0.55 are of non-terminating and non-repeating decimal numbers. For example, 0.512122122212222 �.  and 0.539399399939999 �.