[Q] Find hash PLAIN length/spaces
I want to know that is it possible to find PLAIN length/spaces of hash..

Above is md5-hash of Word="hello" having PLAIN 5 length/spaces

Sorry if its its asked already before, but i couldn't found any answer
regarding this, here.
No, what you are asking is wrong.
The length of the hash is 32.
The length of the PLAIN is 5.

The whole point of a hashing algorithm (if done properly) is not to leak information about the plain, such as its length. So no, with MD5 you can not determine this from looking at the hash itself.
I suppose if you really want to be accurate, the binary length of the hash is 16.