so f egi lish deb ataladi. B a lk a n in g A C va B D u ch a stka la rid a e g u vch i m o m e n tla r
o ‘ zg a ru vch i m iq d o r b o ‘ lib , k o 'n d a la n g k u c h n o lg a teng emas. B u uchastka-
lardagi e g ilis h
ko'ndalang egilish d e y ila d i.
M a z k u r paragrafda istalgan k e s im n in g istalgan nuqtasida ho sil boMadigan
k u c h la n is h la m i aniqlash fo rm u la s in i k e ltir ib c h iq a ra m iz.
S o f e g ilis h v a z iy a tid a boMgan b a lk a n in g k u c h la n is h h o la tin i aniqlash
uchun q u y id a g i fa ra z la rn i qab u l q ila m iz :
- te kis k o 'n d a la n g ke sim , d e fo rm a ts iy a d a n k e y in ham te k is lig ic h a va
egilgan o ‘ qqa tik lig ic h a q o la d i ( B e rn u lli g ip o te z a s i);
- b a lk a n in g m a te ria lin i b ir j in s li va iz o tro p deb h is o b la y m iz ;
b a lk a n in g b o ‘ y la m a to la la ri b ir b irig a bosim
o ‘ tk a z m a y d i, b in o b a r
in , u la r fa q a t c h o ‘ z ila d i y o k i s iq ila d i;
- n o rm a l k u c h la n is h la r d e fo rm a ts iy a g a p ro p o rs io n a l (G u k q o n u n i).
S o f e g ilish uchun qab u l q ilin g a n fa ra z la r o d d iy e g ilis h uchun ta q rib a n
to ‘ g ‘ ri ke la d i. N a z a riy jih a td a n v u ju d g a k e la d ig a n x a to lik m iq d o r ju d a ka m
boM g a n lig i uchun a m a liy ish la rd a h is o b g a olm asa ham boMadi.
B a lk a egilganda u n in g b a ’ z i to la la ri
u z a y a d i, b a ’ z i
t o la la r i esa q is q a ra d i.
A m m o shunday qatlam b o M a d iki, bu qat-
la m d a g i to la la r u za y m a y d i ha m , q is q a r-
m a yd i ham ; o ‘ z in in g d a stla b ki u z u n lig in i
saqlab q o la d i. B unday q atlam
neytral qat lam d e b a ta la d i. N e y tr a l q a tla m b ila n
k o 'n d a la n g ' “ s im n in g k e s is h u v c h iz ig ‘ i
n e y tra l c h iz iq d e y ila d i. H is o b is h la rid a
ke sim o ‘ q la rid a n
b ir i, m asalan Z o ‘ q i,
n e ytra l c h iz iq ustiga jo y la s h tirila d i v a
