Bismil-Lāhir-Rahmānir-Raheem.
’Assalāmu ‘alaikum wa rahmatul-Lāhi wa barakātuh,
What are the correct timings of maddul-leen in for example 2 : 2:
A. rayb; rayyyb; rayyyyyb;
(wherein y has a length of one vowel count)
or
B. rayyb; rayyyyb; rayyyyyyb?
What are the correct timings of maddul-‘āridhi lissukoon in for example 114 : 1:
C. naas; naaaas; naaaaaas;
or
D. naaas; naaaaas; naaaaaaas?
Jazākal-Lāhu khairā.
Salāmun ‘alaikum wa rahmatul-Lāhi wa barakātuh.
Answer
Wa alaikum assalaam wa rahmatullahi wa barakatuh,
The lengthening of can be two, four, or six vowels counts when stopping on the word. The examples in B given in the question then are correct.
The lengthening of can also be two, four, or six vowel counts, and C given in the question would be correct for the length of the alif.
There is a relationship between and wherein is always equal to or less than . Please see http://www.abouttajweed.com/al-mudood_part_7_medd_'aaridh_leen.htm
Wa iyyaakum wa-l-muslimeen.
Wa assalaam alaikum wa rahmatullahi wa barakatuh.