Long Vowels
Long vowels letters also play a rola as weak consonants, one of their function is to slightly lengthened the corresponding short vowels
LETTER ALIF
If letter Alif (without sukun(,jazm) sign) comes immediately after a consonant with a Fathah (zaber) then the short vowels is slightly lengthen Exception rules -
VS.
LETTER WAW
If letter waw (with sukun, (jazm) sign) comes immediately after a consonant with a Damma (Pesh) then the short vowels is slightly lengthen Let's see slight difference between two sounds.
VS.
LETTER YA
If letter Ya (with sukun or jazm sign) comes immediately after a consonant with a Kasra (zer) then the short vowels is slightly lengthen Let's see slight difference between two sounds.
VS.
READ MORE ABOUT